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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 in
SIM error
the phone, or it is inserted
incorrectly.
Weak Signal outside GSM
No network
network area.
connection /
Operator applied new
Losing network
services
Possible Corrective Measures
Make sure 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.
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