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