Tank 3 Review

Unihertz 8849 Tank 3 Review: A Heavyweight Rugged Smartphone with Unmatched Battery Power

Software and User Interface

Running on Android 13, the Tank 3 comes with a customized overlay that limits certain customization options. I suggest using a launcher to enhance the user experience, especially for those who enjoy personalizing their devices. The shortcut button provides quick access to essential functions, adding a touch of convenience to the user interface.


  • Impressive Battery Life: The Tank 3 boasts an enormous 23,800mAh battery, providing extended usage without frequent charging.
    Paired with a 120W fast charger, the device offers a quick charging experience.
  • Rugged Design: The sturdy build, including a textured carbon fiber back and metal body, enhances durability.
    Water-resistant seal on the SIM tray adds an extra layer of protection.
  • Versatile Camera Setup: A robust camera array featuring a 200MP AI camera, 64MP super night vision camera, and 8MP telephoto lens.
    Front camera with 50MP for high-quality selfies.
  • Outdoor Features: Toolbox with camping lights, security lights, police lights, and a laser ranger enhances functionality during outdoor activities. Loudspeaker quality makes the device suitable for outdoor environments.
  • Latest Connectivity Standards: Wi-Fi 6 and Bluetooth 5.3 ensure seamless wireless communication. Compatibility with various carriers, including tested functionality on T-Mobile and Google Fi.
  • Ample Storage and RAM: 512GB of internal storage and 32GB of RAM (16GB virtual and 16GB on board) for smooth multitasking and extensive file storage.
  • Android 13 Operating System: Runs on the latest Android 13, providing access to the latest features and security updates.


  • Hefty and Bulky: The device’s weight might be uncomfortable for users looking for a lightweight and portable smartphone. Not ideal for pocket carry during physical activities due to its bulk.
  • Customized Overlay Limits Customization: The customized overlay may limit certain customization options, necessitating the use of third-party launchers for a more personalized experience.
  • Camera Not Primary Focus: While the camera specifications are impressive, the Tank 3 is not marketed as a photography-focused device.
  • Limited Daily Driver Potential: The weight and bulk make it less suitable as a daily driver for individuals who prioritize sleek and portable smartphones.

Reasons to Buy:

  1. Extended Outdoor Activities: Ideal for outdoor enthusiasts, campers, and adventurers who value a rugged design and versatile outdoor features. The camping lights, police lights, and loudspeaker contribute to a comprehensive outdoor toolkit.
  2. Long Battery Life Requirements: Suited for users who prioritize extended battery life, making it an excellent choice for emergency situations, extended trips, or as a backup phone.
  3. Durability and Build Quality: Those seeking a durable device with a robust build and water-resistant features will appreciate the Tank 3.
  4. Unique Features and Functionality: Users interested in unique features like police lights and a laser ranger will find the Tank 3 intriguing and functional for specific use cases.
  5. Power Users and Multitasking: With ample storage and RAM, the Tank 3 is suitable for power users who require extensive multitasking capabilities and storage space.
  6. Latest Connectivity Standards: For individuals who prioritize the latest connectivity standards, such as Wi-Fi 6 and Bluetooth 5.3, the Tank 3 provides up-to-date wireless capabilities. Buy it here: 


In conclusion, the Unihertz 8849 Tank 3 is a commendable addition to the rugged smartphone market. Priced at $799, it offers a robust build, an unmatched 23,800mAh battery, and a versatile camera setup. While its weight may be a drawback for some, the device’s outdoor features, including camping lights and police lights, make it a unique and functional tool for adventurers.

The Tank 3 shines in specific use cases, such as extended outdoor activities or as a backup phone for emergency situations. It may not be the daily driver for everyone, but for those seeking durability, longevity, and a range of outdoor features, the Tank 3 is a solid choice in a market dominated by more mainstream options. Buy it here: 


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I'm a Tech. passionate. I do follow all the brand's new products... discussing them, and analyzing them, Sometimes, I thank, and sometimes I criticize some feature or all the feature. I'm here to give a fully unbiased review, not to sell something to anyone, or for anyone.