79
Trouble Shooting
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 solutions
SIM error
There is no SIM card in
the phone or it is inserted
incorrectly.
Make sure the SIM card is correctly
inserted.
No network
connection
Signal weak.
Outside GSM/WCDMA network
area.
Move closer to a window or into
an open area. Check the service
provider coverage map.
Codes do not
match
To change a security code, you
must confirm the new code by
entering it again.
Contact your service provider.
Function cannot
be set
Not supported by service
provider, or registration
required.
Contact your service provider.
Calls not
available
Dialing error
New SIM card inserted, charge
limit reached
New network not authorized.
Check for new restrictions. Contact
service provider or reset limit
with PIN 2.
Phone cannot be
turned on.
On/Off key not pressed long
enough.
Battery empty.
Battery contacts dirty.
Press the On/Off key for at least
two seconds.
Keep charger attached for a
longer time.
Clean the contacts.
Summary of Contents for GU290f
Page 1: ...User Guide GU290f P NO MMBB0387602 1 0 W www lg com ENGLISH ...
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Page 79: ...77 Accessories These accessories are availble for use with your GU290f Charger ...
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