Troubleshooting - LG GM750 User Manual

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 for you to correct yourself.
Message
USIM error
No network
connection
Codes do not
match
Function
cannot be set
Calls not
available
Phone cannot
be switched on
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LG GM750 | User Guide
Possible causes
There is no USIM card in
the phone or it is inserted
incorrectly.
Signal weak
Outside GSM network area
To change a security code,
you will need to confirm
the new code by entering
it again.
Not supported by Service
Provider, or registration
required
Dialling error
New USIM card inserted.
Charge limit reached
On/Off key not pressed long
enough
Battery empty
Battery contacts dirty
Possible Solutions
Make sure the USIM card is correctly
inserted.
Move towards a window or into an
open area. Check the service provider
coverage map.
Contact your Service Provider.
Contact your Service Provider.
New network not authorised. Check
for new restrictions. Contact Service
Provider or reset limit with PIN 2.
Press the On/Off key for at least two
seconds.
Keep the charger connected for a
longer period of time.
Clean the contacts.