LG V20, User Manual, Page: 579 / 587

Appendix 139
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 Possible causes Possible corrective measures
SIM card error
There is no SIM card in
the phone or it is inserted
incorrectly.
Make sure 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 or USIM
card at your network provider's
nearest branch. Contact your
service provider.
Codes do not
match
To change a security code,
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
No
applications
can be set
Not supported by service
provider or registration
required.
Contact your service provider.
Downloaded
application
causes a lot of
errors.
Remove the application.
1. Tap Settings .
2. Tap General Apps .
3. Tap the app Uninstall .