GENERAL MOBILE GM 6 d, User Manual

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Problem Cause Solution
Files cannot
be opened The file format
may not be
supported
Check the file
formats.
Phone does
not turn on On/off button
may be pressed
and held for
a very short
duration.
Press and hold the
on/off button at
least 3 seconds.
The battery
may be empty.
Charge the battery.
Applications
cannot be
opened May not be
supported by
the service
provider.
Contact your service
provider.
Phone calls
cannot be
placed
Dialing error.
Network is not
identified.
A new SIM
might have
been inserted.
Check the
restrictions.
Cost limit might
have been
reached.
Contact your service
provider.
SIM Error No SIM inserted
or SIM is not
correctly
inserted.
Make sure your
SIM card is inserted
correctly.
The screen
does not
display when
a call is
received May be a
proximity
sensor issue.
If you are using a
protective band or
a case with your de-
vice, make sure that
it does not cover the
space around the
sensor.