-
54
-
5.24 Power off
Select this function to power off the phone, you need to
press end key for 2 to 3 seconds to power on or power off
the phone.
6
Appendix
6.1 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 SIM card is
damaged.
Contact your
network service
provider
The SIM card is not
in position.
Check the SIM
card
SIM
card
error
The metal face of the
SIM card is polluted.
Clean the SIM
card with a clean
cloth
Poor
receive
d signal
quality
Signals are
obstructed. For
instance, radio waves
cannot be effectively
transmitted nearby a
high building or in a
basement.
Move to a place
where signals can
be effectively
transmitted
