-
55
-
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
powere
The battery energy is
exhausted.
Charge the battery
Calls
cannot
be
dialed
Call barring is
activated
Cancel call
barring
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
mobile
phone
cannot
connect
the
network
The signal is weak
Move to a place
where the signal
quality is high
