LG GB220 - Troubleshooting: Power, Charging, and Network; Power and Charging Problems; Network and Permitted Number Issues

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Message Possible causes Possible Solutions
Phone cannot
be switched on
On/O key not pressed long
enough
Battery  at
Battery contacts dirty
Press the On/O key down for at least two
seconds.
Charge battery. Check the charging
indicator on the display.
Clean the contacts.
Charging error
Battery totally empty
Temperature out of range
Contact problem
No mains voltage
Charger defective
Wrong chargerBattery
defective
Charge battery.
Make sure the ambient temperature is
right, wait for a while, and then charge
again.
Check the power supply and connection to
the phone. Check the battery contacts and
clean them if necessary.
Plug in to a di erent socket or check the
voltage.
If the charger does not warm up, replace it.
Only use original LG accessories.
Replace battery.
Phone loses
network
Signal too weak
Reconnection to another service provider
is automatic.
Number not
permitted
The Fixed dial number
function is on.
Check settings.