TROUBLE
POSSIBLE REASONS
Can not be switched on
1. Need to charge the battery?
2. Battery is located correctly?
Battery can not be charged
1.Check if the charger is connected with the phone correctly
2. The battery is usable? The battery performance will
3.Is the battery overly discharged? The handset comes
into a slow charging mode after connected to the charger.
The handset normally can be charged hours later
depending on the degree of discharging.
degrade due to several years' use.
Network lost
1.The signal is too weak
there may be some radio
interference all round. View whether the signal strength
meter on the screen fails to show vertical lines.
2.The SIM card is located correctly or damaged
If
damaged, please ask your network provider for
replacement).
9
APPENDIX I COMMON FAULT DIAGNOSIS
