-31-
Line congestions occur
when you use the
mobile phone in
high-traffic hours
Avoid using the mobile
phone in high-traffic
hours
The
mobile
phone
cannot be
powered
on
The battery energy is
exhausted.
Charge the battery
Calls
cannot be
dialed
Call barring is activated
Cancel call barring
The
mobile
phone
cann
The SIM card is invalid
Contact your network
service provider
The mobile phone is not
in a service area of the
GSM network
Move to the network
operator's service area
The signal is weak
Move to a place where
the signal quality is
high
The
battery
cannot be
charged
The charging voltage
does not match the
voltage range indicated
on the charger
Ensure the charging
voltage matches the
voltage range indicated
on the charger
An improper charger is
used
Use the charger
specially designed for
the mobile phone
Poor contact
Ensure the charger
plug is in good contact
with the mobile phone
Содержание G312
Страница 1: ...G312 User Manual ideas forever...