LG -A275 Guide De L'utilisateur page 36

Troubleshooting
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
USIM error
No network
connection/
Loosing network
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Possible Causes
There is no USIM card in
the phone or it is inserted
incorrectly.
Weak Signal outside of GSM
network area
Operator applied new
services
Possible Corrective Measures
Make sure that the SIM card is correctly inserted.
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 office of your
network provider.