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Appendix
104
FAQ
This chapter lists some problems you might encounter when using your
device. 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 device 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 or USIM card at your network
provider's nearest branch. Contact your
service provider.
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