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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.
Expected
problems
Possible causes Possible corrective measures
microSIM
card error
There is no
microSIM card in
the phone or it is
inserted incorrectly.
Make sure that the microSIM 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 microSIM card is
more than 6~12 months old. If so,
change your microSIM card at your
network provider's nearest branch.
Contact J:COM Customer Center.
PIN codes
do not
match
The two PIN codes
you entered do not
match.
If you forget the code, contact J:COM
Customer Center.
Troubleshooting
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