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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
There is no SIM card
SIM error
in the phone or it is
inserted incorrectly.
Signal is weak or
No network
you're outside the
connection/
carrier network.
Losing
Operator applied
network
new services.
To change a security
code, you will need
to confirm the new
Codes do not
code by re-entering
match
it.
The two codes you
have entered do not
match.
Not supported by
Any
service provider
application
or registration
cannot be set
required.
Possible corrective measures
Make sure that the SIM card is
correctly inserted.
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.
If you forget the code, contact
your service provider.
Contact your service provider.
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