User's Manual

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Appendix
Appendix 1：Troubleshooting
If you find exceptions when operating the mobile phone, restore the factory settings and then refer to the
following table to solve the problem. If the problem persists, contact the distributor or service provider.
Fault Cause Solution
The phone
slowly
responds to the
touch screen
pen
The touch
screen is not
appropriately
calibrated
Calibrate the touch screen
SIM
card
error
The SIM card
is damaged.
Contact your network service provider
The SIM card
is not in
position.
Check the SIM card