103
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
Micro SIM
card error
There is no
Micro SIM card
in the phone
or it is inserted
incorrectly.
Make sure that the Micro 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 Micro SIM card
is more than 6~12 months old. If so,
change your Micro SIM card at your
network provider's nearest branch.
Contact your service provider.
Codes do
not match
To change a
security code,
you will need
to confirm the
new code by
re-entering it.
If you forget the code, contact your
service provider.
The two codes you
have entered do
not match.
