33
15
Fault Cause Solution
Calls can
not be
dialed
Call barring
is activated
Cancel call barring
The mobile
phone can
not connect
the network
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
