User's Manual

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6 Common Problems.......................................................... 31
6.1 When the mobile phone displays “Insert SIM”?...........................................................................31
6.2 Checking and precautions of PIN, PIN2, PUK, PUK2 and password:..........................................31
6.3 Network connection fails ..............................................................................................................31
6.4 You can’t be heard.........................................................................................................................32
6.5 Can’t charge the battery ................................................................................................................32
6.6 Weak signal...................................................................................................................................32
6.7 Can’t make a call...........................................................................................................................32
6.8 Standby time becomes short..........................................................................................................32