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Appendix 116
F A Q
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 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 the General Apps.
3. Tap the app
Uninstall.
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