LG Electronics GM750 manual Troubleshooting, Message Possible causes Possible Solutions, 125

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

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