23
Blasting Caps and Areas
Power off your mobile phone or wireless device when in a blasting
area or in areas posted power off “two-way radios” or “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 to replace it.
Bad signal
Check the signal display in the status 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.
