Owner's Manual

35
This chapter lists some problems you might encounter while using your phone. Some problems require
you to call your service provider, but most are easy to correct yourself.
Message Possible Causes Possible Corrective Measures
USIM error
There is no USIM card in
the phone or it is inserted
incorrectly.
Make sure that the SIM card is correctly inserted.
No network
connection/
Loosing network
Weak Signal outside of GSM
network area
Operator applied new
services
Move towards a window or into an open area.
Check the network operator coverage map.
See if the SIM card is older than 6~12 month.
If so, change your SIM at the oce of your
network provider.
Troubleshooting