LG G flex2 - Troubleshooting Common Issues; SIM;USIM Card Errors; Network Connection Issues; Code Mismatch Errors

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Troubleshooting
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 or
USIM card
error
There is no SIM
or USIM 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 card at your network
provider’s nearest branch. Contact
your service provider.
Codes do
not match
To change a
security code,
must confirm
the new code by
re-entering it.
If you forget the code, contact your
service provider.
The two codes
you entered do
not match.