User's Manual

52
Echoes or
noises
The trunk line of
network is in bad
condition. It is a
regional problem.
Hang off the call
and dial again.
Choose another
better line.
In some areas, the
call lines are in bad
condition.
Shorter
standby time
The standby time is
relevant to network
settings.
In poor reception
areas, turn off your
phone temporarily.
Replace the
batteries
Change with a new
battery.
When no signals
are received, your
phone will continue
searching for base
stations, thus
consuming a large
amount of battery
power and reducing
standby time.
Use your phone at
strong signal areas
or Turn off the
phone temporarily.
Failed to turn
on your
phone
The battery power is
used up.
Check the battery
power level or
charge the battery.
SIM card
error
The SIM card is
damaged.
Contact your
network service
provider.
The SIM card is not
properly installed.
Ensure the SIM
card is properly
installed.
The metallic face of
the SIM card is
contaminated.
Wipe the face with
a clean cloth.
Failed to
connect to
the network
The SIM card is
invalid.
Contact your
network service
provider.