38
Failure Analysis
Symptoms
Possible Causes
Solutions
Unable to turn
on the phone
Inadequate battery
capacity
Charge the battery
Poor contact
Reinstall the battery
Automatic
power-off
Seriously poor battery
capacity
Recharge the battery
Inadequate
standby time
Deceasing of battery
performance
Replace the battery
Poor network signal
Turn off the phone as the
signal is poor.
Unable to
connect the
network
Poor network signal
Move to other places
Out of the service
area
Make sure your phone is in
network service area
Call drop
Poor network signal
Move to other places