User's Manual

117
Troubleshooting & FAQ
The screen shows "Insert SIM".
• Is your SI M card correctly inserted into the phone?
• Are the metal contacts on SIM card clean? I f they
appear to be soiled, please contact your dealer to clean
them.
The battery can not be charged.
• Is the battery charger correctly plugged into the battery
charger socket on the phone?
• Is the power cord of the charger damaged?
• Is the battery very old? Replace with a new battery and
try again.
The standby and talk time is apparently
shorter than ever.
• Your phone consumes more power when signal recep-
tion is poor. Try to move to a better location when you
use the phone.
• Are you using a new battery? It takes several charge dis-
charge cycles for the battery to reach its original capac-
ity.
• Is the battery very old? Replace it with a new one.
• Are you using the phone in very high or low tempera-
ture environment? The efficiency of a battery can be
effected by ambient temperature.
Can not deactivate call barring or call
divert functions.
Is the reception of network signal in good condition?
Move to an open space, or a place closer to window.