30
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.