Table of Contents
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Troubles
Out of GSM service range.
Weak signal.
Call restriction function is on.
Unable to call
Fixed dial is on.
Wrongly input PIN code for three times.
PIN error
Battery or charger broken.
Unable to
charge
Charge in environment with temperature
lower than -10
Bad contact.
Possible Causes
or higher than 45 .
Solutions
Contact the network
provider to check
service range.
Move to areas with
strong signal.
Cancel call restriction
function.
Cancel Fixed dial.
Contact the network
provider.
Change battery or
charger.
Change environment.
Check if connected
properly.
37
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