40
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.