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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
The SIM card
is damaged.
The SIM card
SIM
card
error
face of the
SIM card is
Signals are
obstructed.
For instance,
radio waves
effectively
transmitted
nearby a high
Poor received
building or in
signal quality
a basement.
congestions
occur when
you use the
mobile phone
in high-traffic
The mobile
The battery
phone cannot
be powered on
exhausted.
5 Appendix
Cause
Solution
Contact your network service provider
is not in
position.
The metal
polluted.
cannot be
Move to a place where signals can be effectively transmitted
Line
Avoid using the mobile phone in high-traffic hours
hours
energy is
-15-
Check the SIM card
Clean the SIM card with a clean cloth
Charge the battery
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