User's Manual

41
“electronic devices” to avoid interfering with
blasting operations.
Common fault diagnosis
The faults
possible reasons
Can’t turn
on
1 、 Whether there is
electricity in the battery；
2、Battery is correct.
SIM is
wrong
1、SIM is dirty and clean it；
2、install the SIM again；
3、SIM is wrong，replace it.
Bad
signal
Check the signal display in
the stutas bar.
The
phone
can't call
May have a strong jamming
signal around the
environment.
Can’t
charge
May be the battery
discharge. Need to wait for
a few minutes.
Taking
pictures
is not
clear
Please make sure that both
sides of the camera lens
cleaning.