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Unihertz Jelly Star (8GB + 256GB) Review | 197 Data compared

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  • Avg. price: ~£180
  • RAM capacity: 8 GB
  • Internal storage: 256 GB
  • Screen size: 3 inches
  • Main camera megapixels: 48 MP

Unihertz Jelly Star (8GB + 256GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

6.4

Overall score

What it is: An overall evaluation of the smartphone's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best smartphones on the market.

Score components:

90.0%

6.1

Technical Score

10.0%

8.9

User score

Good
6.1

Technical Score

What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

When it matters: When you want to compare smartphones based on technical performance and available features.

Score components:

25.0%

7.1

Performance & Hardware

18.0%

5.7

Camera

15.0%

5.3

Display

15.0%

4.8

Battery

10.0%

7.1

Software

10.0%

7.1

Connectivity

4.0%

2.7

Audio

3.0%

7.2

Design

Good
8.9

User score

What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

8.4

User reviews

30.0%

10

Popularity

User score:
amazon
4.2
(747)

(Reviews last updated: Mar 2026)

Excellent
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    Best prices

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Technical Specifications of smartphone Unihertz Jelly Star (8GB + 256GB)

    Technical Score

    What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

    When it matters: When you want to compare smartphones based on technical performance and available features.

    Score components:

    25.0%

    7.1

    Performance & Hardware

    18.0%

    5.7

    Camera

    15.0%

    5.3

    Display

    15.0%

    4.8

    Battery

    10.0%

    7.1

    Software

    10.0%

    7.1

    Connectivity

    4.0%

    2.7

    Audio

    3.0%

    7.2

    Design

    6.1
    Unihertz Jelly Star (8GB + 256GB) has a technical score of 6.08 points, which is lower than 92.5% of smartphones.
    User score

    What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

    When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    8.4

    User reviews

    30.0%

    10

    Popularity

    User score:
    amazon
    4.2
    (747)

    (Reviews last updated: Mar 2026)

    8.9
    Unihertz Jelly Star (8GB + 256GB) has a user score of 8.88 points, which is higher than 78.1% of smartphones.
    Popularity
    What it is: An indicator based on the number of reviews received by the smartphone.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    10
    Unihertz Jelly Star (8GB + 256GB) has a popularity of 10 points, which is higher than 70.5% of smartphones.
    Ratio quality/price

    What it is: An indicator that combines the smartphone's overall rating with its cost.

    When it matters: When you are looking for a smartphone with a good balance between quality and price.

    Score components:

    60.0%

    6.4

    Overall score

    40.0%

    9.6

    Price

    7.6
    Unihertz Jelly Star (8GB + 256GB) has a quality-to-price ratio of 7.6 points, which is lower than 74.5% of smartphones.
    Brand name
    What it is: The manufacturer or brand under which the smartphone is marketed and sold.
    When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

    Importance: MEDIUM

    Unihertz
    Processor model
    What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.
    When it matters: When you want to know the specific engine powering your device's speed and features.

    Importance: HIGH

    MediaTek Helio G99
    Unihertz Jelly Star (8GB + 256GB) uses the MediaTek Helio G99 processor model which is slower than processors in 76.2% of smartphones and equal to processors in 4.1% of smartphones.
    RAM capacity
    What it is: The amount of volatile memory available for running apps and multitasking.
    When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

    Importance: HIGH

    Good value: >12 GB

    8 GB
    Unihertz Jelly Star (8GB + 256GB) has a RAM capacity of 8 GB which is larger than the RAM capacity of 28.6% of smartphones and equal to that of 30.3% of smartphones.
    Internal storage
    What it is: The total built-in space available for apps, media, and files.
    When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

    Importance: HIGH

    Good value: >256 GB

    256 GB
    Unihertz Jelly Star (8GB + 256GB) has an internal storage capacity of 256 GB which is larger than the storage of 38.9% of smartphones and equal to that of 38.2% of smartphones.
    CPU boost clock speed
    What it is: The maximum speed the processor can achieve temporarily under heavy load.
    When it matters: When you run demanding apps or games that require short bursts of peak performance.

    Importance: MEDIUM

    Good value: >3.2 GHz

    2.2 GHz
    The CPU boost clock speed of Unihertz Jelly Star (8GB + 256GB) is 2.2 GHz which is lower than the boost speed of 68.4% of smartphones and equal to that of 14.4% of smartphones.
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    Operating system
    What it is: The primary system software that manages the smartphone's hardware and software resources.
    When it matters: When you have a preference for the user interface and app ecosystem.

    Importance: HIGH

    Android
    Android 13
    Unihertz Jelly Star (8GB + 256GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 13
    Android version
    What it is: The specific generation number of the Android operating system installed on the device.
    When it matters: When you want to ensure app compatibility and access to the latest software features.

    Importance: LOW

    Android 13
    Unihertz Jelly Star (8GB + 256GB) runs Android version Android 13 which is older than that found in 50.6% of smartphones and equal to that in 16.5% of smartphones.
    Direct OS updates
    What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.
    When it matters: When you want the fastest access to new features and security patches.

    Importance: HIGH

    no
    Unihertz Jelly Star (8GB + 256GB) does not receive direct OS updates. 20.5% of smartphones receive direct updates.
    Open-source OS
    What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.
    When it matters: When you value transparency and potential community-driven modifications.

    Importance: LOW

    yes
    Unihertz Jelly Star (8GB + 256GB) uses an open-source OS. 94.6% of smartphones use an open-source OS.
    Dark mode
    What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.
    When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

    Importance: LOW

    yes
    Unihertz Jelly Star (8GB + 256GB) offers dark mode. 95.8% of smartphones support this feature.
    Show more
    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: MEDIUM

    no
    Unihertz Jelly Star (8GB + 256GB) does not include a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
    Main camera megapixels
    What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
    When it matters: When you want to capture high-resolution images that can be cropped or printed large.

    Importance: HIGH

    Good value: >50 MP

    48 MP
    Unihertz Jelly Star (8GB + 256GB) has a main camera resolution of 48 MP MP which is lower than that of 82% of smartphones and equal to that of 0.4% of smartphones.
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: HIGH

    f/1.8
    Unihertz Jelly Star (8GB + 256GB) has a main camera aperture of f/1.8 which is narrower than that of 70.5% of smartphones and equal to that of 5.1% of smartphones.
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    30.7 mm²
    Unihertz Jelly Star (8GB + 256GB) has a main camera sensor area of 30.7 mm² which is smaller than the main camera sensor area of 63.5% of smartphones and equal to that of 6.3% of smartphones.
    Main camera pixel size
    What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
    When it matters: When you shoot in low light and want reduced noise in your photos.

    Importance: MEDIUM

    Good value: ≥1.2 µm

    0.8 µm
    1.6 binned
    Unihertz Jelly Star (8GB + 256GB) has a main camera pixel size of 0.8 µm which is larger than in 35.5% of smartphones and equal to the size in 21.9% of smartphones.
    1.6 binned
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    Number of SIM slots
    What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.
    When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

    Importance: MEDIUM

    Good value: ≥2

    2
    Unihertz Jelly Star (8GB + 256GB) has 2 SIM slots, which is more than in 3.9% of smartphones and equal to the number in 96% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    Unihertz Jelly Star (8GB + 256GB) includes a cellular module. 100% of smartphones include cellular modules.
    5G connectivity
    What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
    When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

    Importance: MEDIUM

    no
    Unihertz Jelly Star (8GB + 256GB) does not support 5G connectivity. 66.9% of smartphones support 5G.
    LTE support
    What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.
    When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

    Importance: HIGH

    yes
    Unihertz Jelly Star (8GB + 256GB) supports LTE. 99.7% of smartphones include LTE connectivity.
    Wi-Fi connectivity
    What it is: The ability to connect to wireless local area networks for internet access and local networking.
    When it matters: When you want to save mobile data and connect to home or public networks.

    Importance: HIGH

    yes
    Unihertz Jelly Star (8GB + 256GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
    Show more
    Screen size
    What it is: The physical diagonal measurement of the display area, usually expressed in inches.
    When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

    Importance: MEDIUM

    Good value: ≥6.6 inches

    3 inches
    Unihertz Jelly Star (8GB + 256GB) has a screen size of 3 inches which is smaller than the screens of 100% of smartphones and equal to those of 0% of smartphones.
    Screen resolution
    What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
    When it matters: When you want crisp text and sharp details in photos and videos.

    Importance: HIGH

    480 x 854 px
    Unihertz Jelly Star (8GB + 256GB) has a screen resolution of 480 x 854 px which is lower than that of 99.9% of smartphones and equal to that of 0.1% of smartphones.
    Pixel density
    What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
    When it matters: When you want the image to look perfectly smooth with no visible pixels.

    Importance: HIGH

    Good value: >400 ppi

    327 ppi
    Unihertz Jelly Star (8GB + 256GB) has a pixel density of 327 ppi which is lower than that of 76.9% of smartphones of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: HIGH

    IPS LCD
    Unihertz Jelly Star (8GB + 256GB) uses a IPS LCD display type. 0% of smartphones use this display technology.
    Refresh rate
    What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
    When it matters: When you want scrolling to feel fluid and games to look smoother.

    Importance: HIGH

    Good value: ≥120 Hz

    60 Hz
    Unihertz Jelly Star (8GB + 256GB) supports a refresh rate of 60 Hz which is lower than in 84.3% of smartphones and equal to that in 15.7% of smartphones.
    Show more
    Battery capacity
    What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
    When it matters: When you want a general idea of how large the battery is physically.

    Importance: HIGH

    Good value: >5000 mAh

    2000 mAh
    Unihertz Jelly Star (8GB + 256GB) has a battery capacity of 2000 mAh which is smaller than the batteries in 99.6% of smartphones and equal to those in 0.2% of smartphones.
    Charging speed
    What it is: The maximum power input supported for wired charging, measured in Watts (W).
    When it matters: When you are in a rush and need to top up your battery quickly.

    Importance: HIGH

    Good value: >60 W

    5 W
    Unihertz Jelly Star (8GB + 256GB) supports charging speeds of 5 W which is slower than in 99.5% of smartphones and equal to speeds in 0.6% of smartphones.
    Fast charging
    What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.
    When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

    Importance: MEDIUM

    no
    Unihertz Jelly Star (8GB + 256GB) does not support fast charging. 93.1% of smartphones support fast charging.
    GSMArena full wired charge time
    What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.
    When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

    Importance: MEDIUM

    Good value: <45 min

    ?
    Wireless charging
    What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
    When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

    Importance: MEDIUM

    no
    Unihertz Jelly Star (8GB + 256GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
    Show more
    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: MEDIUM

    no
    Unihertz Jelly Star (8GB + 256GB) does not include stereo speakers. 64.5% of smartphones provide stereo audio.
    3.5 mm headphone jack
    What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
    When it matters: When you prefer using traditional wired headphones without dongles or adapters.

    Importance: LOW

    yes
    Unihertz Jelly Star (8GB + 256GB) includes a 3.5 mm headphone jack. 45.4% of smartphones still offer this port.
    Number of microphones
    What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
    When it matters: When you want clear audio recording and better noise cancellation during calls.

    Importance: MEDIUM

    Good value: ≥3

    2
    Unihertz Jelly Star (8GB + 256GB) includes 2 microphones, which is more than in 10.5% of smartphones and equal to the number in 66.6% of smartphones.
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    yes
    Unihertz Jelly Star (8GB + 256GB) includes an FM radio. 33.7% of smartphones offer FM radio functionality.
    aptX Lossless
    What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.
    When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

    Importance: LOW

    no
    Unihertz Jelly Star (8GB + 256GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
    Show more
    Height
    What it is: The vertical dimension of the device.
    When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

    Importance: LOW

    Good value: <162 mm

    95.1 mm
    Unihertz Jelly Star (8GB + 256GB) has a height of 95.1 mm which is shorter than 100% of smartphones of smartphones.
    Width
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you care about how easy the phone is to grip and use with one hand.

    Importance: LOW

    Good value: <75 mm

    49.6 mm
    Unihertz Jelly Star (8GB + 256GB) has a width of 49.6 mm which is narrower than 100% of smartphones of smartphones.
    Thickness
    What it is: The depth of the device profile, excluding the camera bump unless specified.
    When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

    Importance: LOW

    Good value: <8 mm

    18.7 mm
    Unihertz Jelly Star (8GB + 256GB) has a thickness of 18.7 mm which is thicker than 96.8% of smartphones and equal to that of 0.3% of smartphones.
    Weight
    What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
    When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

    Importance: MEDIUM

    Good value: <190 g

    116 g
    Unihertz Jelly Star (8GB + 256GB) weighs 116 g which is lighter than 99.8% of smartphones of smartphones.
    Device volume
    What it is: The calculated total volume of the device's physical body.
    When it matters: When you want to understand the overall physical bulk of the device.

    Importance: LOW

    Good value: <98cm³

    83790 cm³
    Unihertz Jelly Star (8GB + 256GB) has a device volume of 83790 cm³ which is smaller than 87.5% of smartphones of smartphones.
    Show more

    Unihertz Jelly Star (8GB + 256GB) vs the average smartphone

    • 40.9% lighter
      Unihertz Jelly Star (8GB + 256GB) is lighter than the average smartphone (116 g vs 196.2 g). The average smartphone weighs 196.2 g.
      What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
      When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

      Importance: MEDIUM

      Good value: <190 g

      Unihertz Jelly Star (8GB + 256GB) is lighter than the average smartphone (116 g vs 196.2 g). The average smartphone weighs 196.2 g.116.0 g vs 196.2 g
    • 55.1% faster memory speed
      Unihertz Jelly Star (8GB + 256GB) supports faster memory speed than the average smartphone (4266 MHz vs 2750 MHz). The average smartphone supports 2750 MHz memory speed.
      What it is: The rate at which the device’s RAM can transfer data, measured in MHz or GB/s.
      When it matters: When you need faster app loading times and snappier overall system responsiveness.

      Importance: MEDIUM

      Good value: >3200 MHz

      Unihertz Jelly Star (8GB + 256GB) supports faster memory speed than the average smartphone (4266 MHz vs 2750 MHz). The average smartphone supports 2750 MHz memory speed.4266 MHz vs 2750 MHz
    • Uses a BSI sensor
      Unihertz Jelly Star (8GB + 256GB) uses a BSI sensor, the average smartphone does not. 40.1% of smartphones include BSI sensors.
      What it is: Indicates the use of a Back-Side Illuminated sensor, which arranges the wiring behind the light-receiving surface to improve low-light sensitivity.
      When it matters: When you take photos in dim environments and need better light sensitivity.

      Importance: LOW

      Unihertz Jelly Star (8GB + 256GB) uses a BSI sensor, the average smartphone does not. 40.1% of smartphones include BSI sensors.
    • 26.4 mm narrower
      Unihertz Jelly Star (8GB + 256GB) is narrower than the average smartphone (49.6 mm vs 76 mm). The average smartphone width is 76 mm.
      What it is: The horizontal dimension of the device when held in portrait orientation.
      When it matters: When you care about how easy the phone is to grip and use with one hand.

      Importance: LOW

      Good value: <75 mm

      Unihertz Jelly Star (8GB + 256GB) is narrower than the average smartphone (49.6 mm vs 76 mm). The average smartphone width is 76 mm.49.6 mm vs 76.0 mm
    • 68.5 mm shorter
      Unihertz Jelly Star (8GB + 256GB) is shorter than the average smartphone (95.1 mm vs 163.6 mm). The average smartphone height is 163.6 mm.
      What it is: The vertical dimension of the device.
      When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

      Importance: LOW

      Good value: <162 mm

      Unihertz Jelly Star (8GB + 256GB) is shorter than the average smartphone (95.1 mm vs 163.6 mm). The average smartphone height is 163.6 mm.95.1 mm vs 163.6 mm
    • Has FM radio
      Unihertz Jelly Star (8GB + 256GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
      What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
      When it matters: When you want to listen to local radio stations without using mobile data.

      Importance: LOW

      Unihertz Jelly Star (8GB + 256GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
    • 1 more external displays supported
      Unihertz Jelly Star (8GB + 256GB) supports more external displays than the average smartphone (2 vs 1). The average smartphone supports 1 external displays.
      What it is: The capability to connect to and drive external monitors or screens for productivity or entertainment.
      When it matters: When you want to use your phone as a computer or media center on a larger screen.

      Importance: LOW

      Good value: ≥2

      Unihertz Jelly Star (8GB + 256GB) supports more external displays than the average smartphone (2 vs 1). The average smartphone supports 1 external displays.2 vs 1
    • Has a 3.5 mm headphone jack
      Unihertz Jelly Star (8GB + 256GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.4% of smartphones include a standard headphone jack.
      What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
      When it matters: When you prefer using traditional wired headphones without dongles or adapters.

      Importance: LOW

      Unihertz Jelly Star (8GB + 256GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.4% of smartphones include a standard headphone jack.
    • 55.1% faster memory speed
      Unihertz Jelly Star (8GB + 256GB) supports faster memory speed than the average smartphone (4266 MHz vs 2750 MHz). The average smartphone supports 2750 MHz memory speed.
    • Uses a BSI sensor
      Unihertz Jelly Star (8GB + 256GB) uses a BSI sensor, the average smartphone does not. 40.1% of smartphones include BSI sensors.
    • 1 more flash LEDs
      Unihertz Jelly Star (8GB + 256GB) has more flash LEDs than the average smartphone (2 vs 1). The average smartphone has 1 flash LEDs.
    • Wider front camera aperture
      Unihertz Jelly Star (8GB + 256GB) has a wider front camera aperture than the average smartphone (f/2.0 vs f/2.2 ). The average aperture is f/2.2 .
    • 1 more external displays supported
      Unihertz Jelly Star (8GB + 256GB) supports more external displays than the average smartphone (2 vs 1). The average smartphone supports 1 external displays.
    • Has an infrared sensor
      Unihertz Jelly Star (8GB + 256GB) includes an infrared sensor, the average smartphone does not. 33.3% of smartphones feature an IR blaster.
    • Has FM radio
      Unihertz Jelly Star (8GB + 256GB) features an FM radio, the average smartphone does not. 33.7% of smartphones include an FM tuner.
    • Has a 3.5 mm headphone jack
      Unihertz Jelly Star (8GB + 256GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.4% of smartphones include a standard headphone jack.
    • 40.9% lighter
      Unihertz Jelly Star (8GB + 256GB) is lighter than the average smartphone (116 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 26.4 mm narrower
      Unihertz Jelly Star (8GB + 256GB) is narrower than the average smartphone (49.6 mm vs 76 mm). The average smartphone width is 76 mm.
    • 68.5 mm shorter
      Unihertz Jelly Star (8GB + 256GB) is shorter than the average smartphone (95.1 mm vs 163.6 mm). The average smartphone height is 163.6 mm.

    Total
    Overall
    Performance & Hardware
    Camera
    Connectivity
    Audio
    Design
    • Worse processor
      Unihertz Jelly Star (8GB + 256GB) uses a worse processor than the average smartphone (MediaTek Helio G99 vs Qualcomm Snapdragon 6s Gen 3 ).
    • 78.6% lower 3DMark Steel Nomad benchmark
      Unihertz Jelly Star (8GB + 256GB) performs worse in 3DMark Steel Nomad than the average smartphone (130 vs 608). The average smartphone scores 608.
    • 16.7% higher TDP (less efficient)
      Unihertz Jelly Star (8GB + 256GB) has a higher TDP than the average smartphone (5 W vs 6 W). The average smartphone has a TDP of 6 W.
    • 22.7% lower Geekbench 6 single-core benchmark score
      Unihertz Jelly Star (8GB + 256GB) performs worse in Geekbench 6 single-core than the average smartphone (728 vs 942). The average smartphone scores 942 in the Geekbench 6 single-core test.
    • 14.3% lower maximum RAM capacity
      Unihertz Jelly Star (8GB + 256GB) supports less maximum RAM than the average smartphone (12 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
    • 8.3% lower CPU boost clock speed
      Unihertz Jelly Star (8GB + 256GB) has a lower CPU boost clock speed than the average smartphone (2.2 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 50% less L1 cache
      Unihertz Jelly Star (8GB + 256GB) has a smaller L1 cache than the average smartphone (32 KB vs 64 KB). The average smartphone has an L1 cache of 64 KB.
    • 19.8% lower Geekbench 6 multi-core benchmark score
      Unihertz Jelly Star (8GB + 256GB) performs worse in Geekbench 6 multi-core than the average smartphone (2,032 vs 2,533). The average smartphone scores 2,533 in the Geekbench 6 multi-core test.
    • 33.2% lower memory bandwidth
      Unihertz Jelly Star (8GB + 256GB) has lower memory bandwidth than the average smartphone (17.1 GB/s vs 25.6 GB/s). The average smartphone has a bandwidth of 25.6 GB/s.
    • Lacks focus mode
      Unihertz Jelly Star (8GB + 256GB) does not have a focus mode, the average smartphone does. 60.4% of smartphones include a dedicated focus mode.
    • No battery health monitoring
      Unihertz Jelly Star (8GB + 256GB) lacks battery health monitoring, the average smartphone includes it. 66.4% of smartphones provide battery health stats.
    • Lacks instant markup
      Unihertz Jelly Star (8GB + 256GB) does not support instant markup, the average smartphone does. 52.7% of smartphones include instant markup tools.
    • No Wi-Fi password sharing
      Unihertz Jelly Star (8GB + 256GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
    • Older Android version
      Unihertz Jelly Star (8GB + 256GB) runs an older Android version than the average smartphone (Android 13 vs Android 14 ). The average smartphone runs Android version Android 14 .
    • Lower-resolution main camera
      Unihertz Jelly Star (8GB + 256GB) has a lower-resolution main camera than the average smartphone (48 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.
    • Lower front camera megapixels
      Unihertz Jelly Star (8GB + 256GB) has lower front camera megapixels than the average smartphone (8 MP vs 16 MP ). The average smartphone has a 16 MP front camera.
    • Single-lens main camera
      Unihertz Jelly Star (8GB + 256GB) has a single-lens main camera, while the average smartphone has a multi-lens setup. 93.7% of smartphones use multiple lenses.
    • No slow-motion recording
      Unihertz Jelly Star (8GB + 256GB) does not support slow-motion recording, the average smartphone does. 90.3% of smartphones offer slow-mo features.
    • No timelapse video
      Unihertz Jelly Star (8GB + 256GB) does not support timelapse video, the average smartphone does. 92.2% of smartphones include timelapse modes.
    • Worse main camera video quality
      Unihertz Jelly Star (8GB + 256GB) records worse main camera video than the average smartphone. 15.40x of smartphones support 4K video recording.
    • Narrower main camera aperture
      Unihertz Jelly Star (8GB + 256GB) has a narrower main camera aperture than the average smartphone (f/1.8 vs f/1.8 & f/2.4 & f/2.4 ). The average smartphone aperture is f/1.8 & f/2.4 & f/2.4 .
    • 4.1% smaller main camera sensor area
      Unihertz Jelly Star (8GB + 256GB) has a smaller main camera sensor area than the average smartphone (30.7 mm² vs 32 mm²). The average smartphone sensor area is 32 mm².
    • No 5G connectivity
      Unihertz Jelly Star (8GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • Inferior display type
      Unihertz Jelly Star (8GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.
    • 50% lower refresh rate
      Unihertz Jelly Star (8GB + 256GB) has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    • 3.67 inches smaller screen size
      Unihertz Jelly Star (8GB + 256GB) has a smaller screen size than the average smartphone (3 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
    • Lower screen resolution
      Unihertz Jelly Star (8GB + 256GB) has a lower screen resolution than the average smartphone (480x 854 px vs 1080x 2400 px ). The average smartphone has a resolution of 1080x 2400 px .
    • 17.2% lower pixel density
      Unihertz Jelly Star (8GB + 256GB) has a lower pixel density than the average smartphone (327 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 60% smaller battery capacity
      Unihertz Jelly Star (8GB + 256GB) has a smaller battery capacity than the average smartphone (2000 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.
    • 84.8% slower charging speed
      Unihertz Jelly Star (8GB + 256GB) has a slower charging speed than the average smartphone (5 W vs 33 W). The average smartphone charges at 33 W.
    • 39.8% lower PCMark Work 3.0 battery benchmark
      Unihertz Jelly Star (8GB + 256GB) scores lower in PCMark Work 3.0 battery benchmark than the average smartphone (473 min vs 786 min). The average smartphone scores 786 min.
    • No reverse wired charging
      Unihertz Jelly Star (8GB + 256GB) does not support reverse wired charging, the average smartphone does. 61.3% of smartphones support reverse wired charging.
    • No fast charging support
      Unihertz Jelly Star (8GB + 256GB) does not support fast charging, the average smartphone does. 93.1% of smartphones feature fast charging.
    • No stereo speakers
      Unihertz Jelly Star (8GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • No aptX HD
      Unihertz Jelly Star (8GB + 256GB) does not support aptX HD, the average smartphone does. 50.4% of smartphones support aptX HD.
    • No LDAC support
      Unihertz Jelly Star (8GB + 256GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • No aptX support
      Unihertz Jelly Star (8GB + 256GB) does not support aptX, the average smartphone does. 50.2% of smartphones support aptX.
    • 1.5 m shallower water resistance
      Unihertz Jelly Star (8GB + 256GB) has a shallower water resistance depth than the average smartphone (0 m vs 1.5 m). The average smartphone is resistant to 1.5 m.
    • 10.4 mm thicker
      Unihertz Jelly Star (8GB + 256GB) is thicker than the average smartphone (18.7 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • Inferior display type
      Unihertz Jelly Star (8GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.
      What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
      When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

      Importance: HIGH

      Unihertz Jelly Star (8GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.IPS LCD vs OLED/AMOLED
    • No 5G connectivity
      Unihertz Jelly Star (8GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
      What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
      When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

      Importance: MEDIUM

      Unihertz Jelly Star (8GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No stereo speakers
      Unihertz Jelly Star (8GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
      What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
      When it matters: When you watch videos or play games without headphones and want immersive sound.

      Importance: MEDIUM

      Unihertz Jelly Star (8GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • 50% lower refresh rate
      Unihertz Jelly Star (8GB + 256GB) has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
      What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
      When it matters: When you want scrolling to feel fluid and games to look smoother.

      Importance: HIGH

      Good value: ≥120 Hz

      Unihertz Jelly Star (8GB + 256GB) has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.60 Hz vs 120 Hz
    • 60% smaller battery capacity
      Unihertz Jelly Star (8GB + 256GB) has a smaller battery capacity than the average smartphone (2000 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.
      What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
      When it matters: When you want a general idea of how large the battery is physically.

      Importance: HIGH

      Good value: >5000 mAh

      Unihertz Jelly Star (8GB + 256GB) has a smaller battery capacity than the average smartphone (2000 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.2000 mAh vs 5000 mAh
    • 3.67 inches smaller screen size
      Unihertz Jelly Star (8GB + 256GB) has a smaller screen size than the average smartphone (3 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
      What it is: The physical diagonal measurement of the display area, usually expressed in inches.
      When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

      Importance: MEDIUM

      Good value: ≥6.6 inches

      Unihertz Jelly Star (8GB + 256GB) has a smaller screen size than the average smartphone (3 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.3.0 inches vs 6.67 inches
    • Lower screen resolution
      Unihertz Jelly Star (8GB + 256GB) has a lower screen resolution than the average smartphone (480x 854 px vs 1080x 2400 px ). The average smartphone has a resolution of 1080x 2400 px .
      What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
      When it matters: When you want crisp text and sharp details in photos and videos.

      Importance: HIGH

      Unihertz Jelly Star (8GB + 256GB) has a lower screen resolution than the average smartphone (480x 854 px vs 1080x 2400 px ). The average smartphone has a resolution of 1080x 2400 px .480x 854 px vs 1080x 2400 px
    • 84.8% slower charging speed
      Unihertz Jelly Star (8GB + 256GB) has a slower charging speed than the average smartphone (5 W vs 33 W). The average smartphone charges at 33 W.
      What it is: The maximum power input supported for wired charging, measured in Watts (W).
      When it matters: When you are in a rush and need to top up your battery quickly.

      Importance: HIGH

      Good value: >60 W

      Unihertz Jelly Star (8GB + 256GB) has a slower charging speed than the average smartphone (5 W vs 33 W). The average smartphone charges at 33 W.5 W vs 33 W
    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    Audio
    Design

    Graphic comparison of Unihertz Jelly Star (8GB + 256GB) and other smartphones

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    Third-party reviews

    amazon
    4.2
    747 Reviews

    (Reviews last updated: Mar 2026)

    4.2
    747 Reviews

    (Reviews last updated: Mar 2026)

    What customers like about Unihertz Jelly Star (8GB + 256GB)?

    • Extremely compact, pocket-friendly credit-card-sized design
    • Surprisingly powerful performance for its size with the MediaTek Helio G99 processor and 8GB RAM
    • Includes features rare in modern flagships like a 3.5mm headphone jack, microSD slot, and IR blaster
    • Full Android 13 support with access to the Google Play Store and NFC for payments
    • Transparent back with customizable pulsing LED notification lights
    • Affordable price point (around $200) offering high value for money
    • Excellent tool for digital minimalism by naturally discouraging excessive scrolling

    What customers dislike about Unihertz Jelly Star (8GB + 256GB)?

    • Small 2,000mAh battery often struggles to last a full day with moderate to heavy use
    • Tiny 3-inch screen makes typing difficult and can cause eye strain
    • Camera quality is poor in low-light conditions and lacks detail
    • Lacks 5G connectivity, limited to 4G LTE speeds
    • No official IP rating for water or dust resistance
    • Poor long-term software support with few security updates and unlikely OS upgrades
    • Slippery, rounded body can be difficult to grip without the included case
    • App scaling issues and small text can make some third-party apps hard to use

    Expert reviews

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    vice.com
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    Vice explores the rising trend of "dumb phones" as a tool for digital minimalism, focusing on devices designed to reduce screen time, such as the Light Phone III and WisePhone II. Key benefits include improved battery life, reduced anxiety, and, in some models, essential tools like GPS and decent cameras. However, drawbacks include high costs (e.g., $699 for the Light Phone III),...Read more

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    27/10/2023
    Unihertz Jelly Star Review: There's nothing like this gorgeous tiny Android phone - Book of Adamz

    The Unihertz Jelly Star offers a full Android 13 experience in a tiny, transparent design with LED notification lights, making it ideal for one-handed use. It features a MediaTek Helio G99 processor, 8GB RAM, a 48MP camera with RAW output, a 3.5mm headphone jack, MicroSD expansion, and an infrared port. Downsides include a screen that struggles in direct sunlight, a 2000 mAh battery...Read more

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    Review: Unihertz Jelly Star: Miniaturized Maker Mobile - Make:

    The Unihertz Jelly Star is described as a miniature "Swiss Army knife" for tech enthusiasts, offering features like NFC tag emulation, an IR blaster, and programmable shortcut buttons, with a design featuring transparent elements and customizable rear LED lights. Powered by a MediaTek Helio G99 processor and 8GB of RAM, it provides capable performance for its size, though its 3-inch...Read more

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    10/07/2023
    Unihertz Jelly Star - Review 2023 - PCMag Middle East

    The PCMag review characterizes the $229.99 Unihertz Jelly Star as a niche, ultra-compact Android 13 smartphone featuring a 3.74 x 1.95-inch design, a transparent back, and customizable LED notifications. Despite its size, the device packs a MediaTek Helio G99 processor, 8GB of RAM, and 256GB of storage, offering surprisingly capable performance alongside practical features like a...Read more

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    androidpolice.com
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    15/06/2024
    Unihertz Jelly Star review: 3 inches of magic - Android Police

    The Unihertz Jelly Star is described as a "micro beast," packing capable hardware like a MediaTek Helio G99 and 8GB RAM into a small form factor, although its 3-inch LCD has drawbacks like dimness and a blue tint. Pros include portability, a transparent design with LED lights, a programmable button, and legacy features like a headphone jack, IR blaster, and microSD slot, offering...Read more

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    01/09/2023
    Unihertz Jelly Star Mini Smartphone Review - Online Tech Tips

    The Online Tech Tips review highlights the Unihertz Jelly Star as a compact "micro beast" featuring a powerful MediaTek Helio G99 processor, 8GB of RAM, and 256GB of storage. Key advantages include its unique 3-inch form factor, NFC, a 3.5mm headphone jack, and a capable, near-stock Android 13 experience. However, constraints include a 48MP camera that struggles in low light, lack...Read more

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    pcmag.com
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    10/07/2023
    Unihertz Jelly Star Review - PCMag

    The Unihertz Jelly Star is an ultra-compact Android 13 smartphone distinguished by its transparent design and customizable LED notification lights. While its small size makes the 3.0-inch display challenging for typing, the phone offers acceptable performance for basic tasks due to its MediaTek Helio G99 processor and 8GB of RAM. Key drawbacks include short battery life, lack of 5G,...Read more

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    ?
    09/04/2024
    Unihertz Jelly Star Review - Sypnotix

    The Sypnotix review characterizes the Unihertz Jelly Star as a "micro beast" with a unique transparent design and customizable LED lights, running Android 13 on a 3-inch display with 8GB RAM and 256GB storage, positioning it as a highly portable device for digital minimalism. Key drawbacks highlighted include a difficult-to-grip smooth body causing hand fatigue, "murky" call...Read more

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    vice.com
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    01/12/2025
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    Vice explores the rising trend of "dumb phones" as a tool for digital minimalism, focusing on devices designed to reduce screen time, such as the Light Phone III and WisePhone II. Key benefits include improved battery life, reduced anxiety, and, in some models, essential tools like GPS and decent cameras. However, drawbacks include high costs (e.g., $699 for the Light Phone III),...Read more

    B
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    Unihertz Jelly Star Review: There's nothing like this gorgeous tiny Android phone - Book of Adamz

    The Unihertz Jelly Star offers a full Android 13 experience in a tiny, transparent design with LED notification lights, making it ideal for one-handed use. It features a MediaTek Helio G99 processor, 8GB RAM, a 48MP camera with RAW output, a 3.5mm headphone jack, MicroSD expansion, and an infrared port. Downsides include a screen that struggles in direct sunlight, a 2000 mAh battery...Read more

    I
    inside-digital.de
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    21/07/2024
    Jelly Star review: Testing the world's smallest smartphone

    The Inside Digital review characterizes the Unihertz Jelly Star as a surprisingly capable, high-performance mini-smartphone, defying expectations with a Helio G99 processor, 8GB RAM, and 256GB storage packed into a 3-inch form factor. Key advantages include its extreme portability, unique transparent design with LED notifications, NFC, a 3.5mm headphone jack, and an affordable price...Read more

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    B
    businessinsider.de
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    26/09/2024
    Unihertz Jelly Star: Who is this mini smartphone actually for?

    The Unihertz Jelly Star is a highly portable, credit-card-sized Android 13 smartphone featuring a 3-inch display, a MediaTek Helio G99 processor, 8GB of RAM, and 256GB of storage. Pros include its surprisingly capable performance for standard tasks like NFC payments, a distinct transparent design with LED notifications, and the inclusion of a 3.5mm headphone jack. However,...Read more

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    D
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    03/08/2024
    Jelly Max angetestet: Ein 5G-Handy für die "Tiny Phone" (enthält Rückblick auf Jelly Star)

    The Unihertz Jelly Max brings 5G to the compact phone market with a 5.05-inch display, offering a more usable but "chonky" 16.3mm thick form factor. Performance is a major pro, featuring a MediaTek Dimensity 7300, 12GB of RAM, and a 4,000 mAh battery that charges to 90% in 20 minutes. However, cons include the lack of a headphone jack, a mediocre camera, and, notably, a lack of...Read more

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    H
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    08/11/2023
    Unihertz Jelly Star Review: The Smallest Android 13 Smartphone

    The Unihertz Jelly Star is an ultra-compact, niche smartphone that successfully packs full Android 13 functionality into a device roughly the size of a credit card, featuring a transparent design and customizable LED lights. It is powered by a capable MediaTek Helio G99 processor with 8GB of RAM, offering smooth performance, though it is limited by a small 3-inch screen, lack of 5G,...Read more

    (Translated)Show original
    I
    inside-digital.de
    ?
    21/07/2024
    Jelly Star review: Testing the world's smallest smartphone

    The Inside Digital review characterizes the Unihertz Jelly Star as a surprisingly capable, high-performance mini-smartphone, defying expectations with a Helio G99 processor, 8GB RAM, and 256GB storage packed into a 3-inch form factor. Key advantages include its extreme portability, unique transparent design with LED notifications, NFC, a 3.5mm headphone jack, and an affordable price...Read more

    (Translated)Show original
    B
    businessinsider.de
    ?
    26/09/2024
    Unihertz Jelly Star: Who is this mini smartphone actually for?

    The Unihertz Jelly Star is a highly portable, credit-card-sized Android 13 smartphone featuring a 3-inch display, a MediaTek Helio G99 processor, 8GB of RAM, and 256GB of storage. Pros include its surprisingly capable performance for standard tasks like NFC payments, a distinct transparent design with LED notifications, and the inclusion of a 3.5mm headphone jack. However,...Read more

    (Translated)Show original
    U
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    09/03/2026
    Jelly Star - The world's smallest Android 13 smartphone

    The Unihertz Jelly Star is an ultra-compact Android 13 smartphone that packs a MediaTek Helio G99 processor, 8GB of RAM, and 256GB of storage into a credit-card-sized device. Its design features a transparent back, customizable notification LEDs, and functional legacy elements like a 3.5mm headphone jack and programmable side button. Pros include unmatched portability and one-handed...Read more

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    T
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    07/07/2023
    Unihertz Jelly Star: A mini smartphone for under 160 euros

    The Unihertz Jelly Star is an ultra-compact, transparent 3-inch Android 13 smartphone featuring a MediaTek Helio G99 processor, 8GB of RAM, and 256GB of storage. Key pros include extreme portability, solid build quality, and snappy performance for daily tasks, along with a 3.5mm headphone jack, programmable button, and IR blaster. However, significant cons arise from its miniature...Read more

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    I
    id.nl
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    13/07/2023
    Unihertz Jelly Star Review - The Smallest Smartphone Today

    The Unihertz Jelly Star is reviewed as the smallest modern Android smartphone, featuring a 3-inch display and a credit card-sized form factor. Despite its size, it offers surprisingly robust performance with 8GB RAM, 256GB storage, and a MediaTek Helio G99 processor, along with a unique transparent back design. ID.nlKey advantages highlighted include extreme portability, making it...Read more

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