ZTE Corporation X160 Manuale Utente
Appendix
8
65
8.3 Failure Analysis
Symptoms
Possible Causes
Solutions
Inadequate battery power
Charge the battery
Power- on
Failure
Failure
Poor battery contact
Re-install the battery
Automatic
power- off
power- off
Seriously poor battery power
Recharge the battery
Deceasing of battery
performance
performance
Replace the battery
Inadequate
standby time
standby time
Poor network signal
Move to other places
Poor network signal
Move to other places
Network
connection
failure
connection
failure
Out of the service area
Confirm whether it is in the
CDMA network service area
CDMA network service area
Call drop during
a call
Poor network signal
Move to other places
No ring for a
incoming call
incoming call
The phone is set to Silence,
or the volume for incoming call
ringtone is set to 0.
or the volume for incoming call
ringtone is set to 0.
Enter [Settings] and set the
mode as non-mute; or check
ringtone volume.
mode as non-mute; or check
ringtone volume.
Prompt to input
PUK
PUK
R-UIM card is locked due to
successive inputting false PIN
code for three times.
successive inputting false PIN
code for three times.
Contact with operators.