LG K4 2017 - Faq

Appendix 102
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.