Problem
No time settings
No display of caller ID
Not allowed to use a certain function
Failure to send a text message
You can not turn on the phone
You can not answer incoming calls
The screen prompts a SIM card error.
The screen prompts and IMSI code error
The screen prompts you to insert your SIM card
Remedy
Your phone has a standby battery powered by
the main battery. If the main battery is removed,
a full charged standby battery can stand up to
seven hours. Remove the battery before your
phone is turned off may lead to loss of
information like time setting too.
This feature is network dependent. Contact
your service provider.
Many
functions
are
Contact your service provider.
Text message feature is not available in all
networks. Contact your service provider for
details.
Remove the battery first. Check if the
connector is in good condition. Install the
battery again and make sure it is in good
contact with the phone. Charge the battery to
full. Try again.
Check if call forward or call barring is
activated. If yes, deactivate it.
The SIM card may be damaged. Contact your
service provider.
Contact your service provider
Make sure your SIM card is properly inserted.
If problem remains uncorrected, the SIM card
may be damaged. Contact your service
provider.
network
dependent.