Troubleshooting
07
trouBleshootinG
This chapter lists some problems you might encounter while 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 error
There is no SIM card
in the phone or it is
inserted incorrectly.
Make sure that the SIM card is
correctly inserted.
No network
connection/
Losing
network
Signal is weak or
you're outside the
carrier network.
Operator applied
new services.
Move towards 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 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.
The two codes you
have entered do not
match.
If you forget the code, contact
your service provider.
Any
application
cannot be set
Not supported by
service provider
or registration
required.
Contact your service provider.
