User's Manual

4
4.10.5 Privacy lock .............................................................................................................................. 27
4.11 Services ....................................................................................................................................... 27
4.11.1 Internet service ......................................................................................................................... 28
4.12 Bluetooth ..................................................................................................................................... 28
5 Operation Instructions on Chinese and English Input ...................... 29
6 Common Problems. ........................................................ 29
6.1 When the mobile phone displays “Insert SIM”? ........................................................................... 29
6.2 Checking and precautions of PIN, PIN2, PUK, PUK2 and password: .......................................... 29
6.3 Network connection fails .............................................................................................................. 29
6.4 You can’t be heard ......................................................................................................................... 29
6.5 Can’t charge the battery ................................................................................................................ 29
6.6 Weak signal ................................................................................................................................... 30
6.7 Can’t make a call ........................................................................................................................... 30
6.8 Standby time becomes short .......................................................................................................... 30