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
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
Not connected properly.
Check whether the
plug is connected
properly.
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