User's Manual

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X5.5SS 20
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Poor reception
The mobile phone is being used in
an area with a weak signal, for
example, near tall buildings or in a
basement, the radio waves can’t
reach these areas effectively
Please make or answer
calls in areas where
there is a stronger signal.
The mobile phone is being used
during peak communications times
and the airwaves are congested.
Try to avoid using your
mobile phone when
communication is busy.
Phone doesn’t
turn on
Battery is too low. Charge the battery.
Can’t make a call Call barring is active Cancel call barring.
Can’t connect to the
network
SIM card is invalid.
Please contact your
network operator.
Outside of coverage area.
Move to an area within
the service area of your
network operator.
Weak signal.
Move to a location with a
stronger signal and try
again.
Problem Cause Solution
Battery won’t charge
The voltage is not within the rated
range of the charger.
Use an outlet with the
correct voltage that falls
within the rated range of
the charger.
Nonstandard charger is used.
Use a charger that is
designed and approved
for use with your phone.
Not connected properly.
Check whether the plug
is connected properly.