SIM is wrong
Bad signal
The
phone
can't call
Can't charge
Taking pictures
is not clear
1、SIM is dirty and clean it;
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 around the
environment.
May be the battery discharge. Need to wait
for a few minutes.
Please make sure that both sides of the
camera lens cleaning.
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