Owners manual

90
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 that 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 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.
Troubleshooting