Faq - LG -M400DK Manual

FAQ

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 card error
No network
connection/
Dropped
network
Codes do not
match
No
applications
can be set
Downloaded
application
causes a lot of
errors
Appendix
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,
confirm the new code by
re-entering it.
The two codes you entered
do not match.
Not supported by service
provider or registration
required.
Remove the application.
Possible corrective measures
Make sure 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 or USIM
card at your network provider's
nearest branch. Contact your
service provider.
If you forget the code, contact
your service provider.
Contact your service provider.
1. Tap Settings.
2. Tap General Apps.
3. Tap the app Uninstall.
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