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
SIM card
error
No network
connection/
Dropped
network
Appendix
Possible causes
There is no SIM card
in the device or it is
inserted incorrectly.
Signal is weak or
you are outside the
carrier network.
Operator applied
new services.
Possible corrective measures
Make sure that the SIM card is
correctly inserted.
Move toward 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 or USIM card at your network
provider's nearest branch. Contact your
service provider.
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