80
Common issue Cause reason
Shooting way
Related to the distance of
the send basis of the
network.
Ask your operator
to provide a map
of your service
area.
Aftersound or
cacophony
It is caused by network
connection and it’s a
regional problem.
Hang up and
redial the
number.
Network connection is
not good in some areas
Idle time
becomes short
Idle time is related to
network settings.
If the mobile
phone is in the
area where the
network
connection is not
good, please
temporarily shut
off your phone.
Need to change battery. Insert a new
battery.
