This is the KG90c phone user manual, including safety precautions, phone usage precautions, battery usage precautions, charger usage precautions, etc.
This manual covers safety precautions for using the KG90c phone and its accessories, including warnings about water exposure, temperature limits, and proper handling of batteries and charging cables. It also explains the layout of the device, the meaning of icons, and how to operate the touch‑type keys.
Detailed sections describe how to insert and remove the battery and SIM card, charge the battery, make calls, send messages, use multimedia functions, and configure settings such as language, vibration, and Bluetooth. The document ends with product specifications and warranty information. This manual is written in Chinese.
| Transmission frequency | 824.64–848.37 MHz |
|---|---|
| Reception frequency | 869.64–893.37 MHz |
| Power consumption | 0.32 W ±50 % |
| Operating temperature range | -20 °C ~ +50 °C |
| Dimensions (mm) | 95 × 48 × 15.2 mm |
No. Placing the battery in direct sunlight or a hot car can cause deformation, malfunction, or explosion.