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LG LGE430 User Guide

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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
Possible causes
Possible corrective measures
SIM error
There is no SIM 
card in the phone 
or it is inserted 
incorrectly.
Make sure that the SIM card is 
correctly inserted.
No network 
connection/ 
Dropped 
network
Signal is weak or 
you are outside 
the carrier 
network.
Move toward a window or into 
an open area. Check the network 
operator coverage map.
Operator applied 
new services.
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.
Codes do 
not match
To change a 
security code, 
you will need 
to confirm the 
new code by re-
entering it.
If you forget the code, contact your 
service provider.
The two codes 
you have entered 
do not match.