Troubleshooting - LG -E420 Guide De L'utilisateur

Troubleshooting

This chapter lists some problems you might encounter when using your phone. Some
problems require you to call your service provider, but most are easy to fix yourself.
Message
SIM error
No network
connection/
Dropped
network
Codes do not
match
No applications
can be set
Possible causes
There is no SIM
card in the phone
or it is inserted
incorrectly.
Signal is weak or
you are outside the
carrier network.
Operator applied
new services.
To change a
security code, you
will need to confirm
the new code by
re-entering it.
The two codes you
have entered do
not match.
Not supported by
service provider
or registration
required.
Possible corrective measures
Make sure that the SIM card is
correctly inserted.
Move toward a window or into
an open area. Check the network
operator coverage map.
Check whether the SIM card is more
than 6~12 months old. If so, change
your SIM at your network provider's
nearest branch. Contact your service
provider.
If you forget the code, contact your
service provider.
Contact your service provider.
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