The Kyocera au Gratina 4G (model KYF31) is a hybrid flip phone released in Japan, blending traditional design with modern features. It operates on Android 5.1 and supports 4G LTE connectivity, offering a compact alternative to full-fledged smartphones.
Key Features
- Display: 3.4-inch TN LCD, 854 × 480 resolution
- Processor: Qualcomm Snapdragon 210 (MSM8909)
- RAM: 1 GB
- Storage: 8 GB (expandable via microSD)
- Camera: 8 MP rear
- Battery: 1500 mAh
- OS: Android 5.1
- Connectivity: 4G LTE (bands 1, 5, 18, 19), Wi-Fi, Bluetooth, NFC
- Durability: MIL-STD-810G certified for water, dust, and shock resistance
Performance & Usability
While the Gratina 4G offers a nostalgic flip-phone experience, its performance is modest. Benchmark tests show scores of 2063 in PCMark Work 3.0 and 1225 in writing tasks, indicating basic functionality suitable for calling, texting, and light web browsing.
The device features a “Touch Pointer” system, allowing navigation by moving your finger over the keypad, simulating a touchpad experience. This unique input method may require some adjustment for new users.
Global Use Considerations
The Gratina 4G is primarily designed for the Japanese market and may not be compatible with networks outside Japan. Users in regions like the U.S. have reported limited functionality, with some models only supporting 2G networks or lacking necessary frequency bands for 4G LTE.
For international users, it’s crucial to verify network compatibility and consider unlocking the device. Some users have successfully unlocked their Gratina 4G by obtaining an au ID and following the official unlocking procedure.
Setup & Basic Usage
- Inserting the SIM Card:
- Power off the device.
- Remove the back cover and battery.
- Insert the au Nano IC Card 04 into the designated slot.
- Reassemble the device.
- Connecting to Wi-Fi:
- Navigate to “Settings” > “Wi-Fi”.
- Select your network and enter the password.
- Setting Up Email:
- Access the “Mail” application.
- Enter your email address and password.
- Configure additional settings as needed.
- Using the Touch Pointer:
- Press and hold the “z” key to activate the Touch Pointer.
- Move your finger over the keypad to navigate the interface.
The Kyocera au Gratina 4G is a nostalgic device catering to those who appreciate the tactile feel of a flip phone combined with basic smartphone functionalities. Its unique input method and compact design make it an appealing choice for users seeking simplicity. However, potential buyers should be aware of its limitations, especially regarding network compatibility outside Japan.