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Troubleshooting
Symptom
Cannot turn on the power by pressing F.
Cannot make calls.
Cannot receive calls.
(No signal)appears.
Key/Touch panel operation is disable.
Cannot operate the touch panel as
intended.
A warning to charge appears.
Possible Cause/Remedy
Is the battery pack charged?
Did you hold down F for at least two second?
Is power turned on?
Did you enter the phone number starting with the area
code?
Did you tap
after entering a phone number?
Is "Airplane mode" set?
Is signal strong enough?
Is
(No signal) displayed?
Is power tuned on?
Is "Airplane mode" set?
Are you out of the service area or in a location where the
signal is too weak?
Are you covering the built in antenna area with fingers,
etc.?
Is power tuned on?
Turn power off and on.
Make sure the way to operate the touch panel.
Turn power off and on.
The battery is almost exhausted.
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