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Telephone cannot be switched on.
•
Check battery is inserted and check that it is
inserted correctly.
Nothing appears on the display.
•
Check the handset is switched on.
•
Check the battery and SIM are inserted
correctly.
Display is locked when the telephone is switched on
•
Enter the PUK to unlock the SIM.
No signal icon is displayed.
•
There is no network connection. Move around
to try and get to an area where there may be
coverage.
•
Contact your service provider.
Message to say that a function is not possible
•
Your service provider might not provide the
function in question or you may need to
subscribe to that service.
Contact the service provider.
No display during the charging process
•
The battery charge is very low. Wait a few
minutes.
“Insert Sim” or “Limited Service” message is
displayed.
•
Ensure the SIM is inserted correctly.
The battery is discharged quickly or cannot be
charged at all.
•
Charge the battery for 4 hours.
TROUBLESHOOTING
Содержание ClearSound CL8400BT
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Страница 73: ...72 UGCL8400BT_En_v1 5 ...