Panasonic EB-3901, Руководство пользователя

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Troubleshooting
General troubleshooting
My phone is not working as expected
If you experience any difficulty with the phone, try to resolve the problem by performing the following
troubleshooting tips. Perform each operation one by one until the problem is resolved.
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Turn the phone off and then on again.
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Turn the phone off, remove and re-insert the SIM card, then turn the phone on again.
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Update the phone. See page “Updating the phone” (page 69) for more information.
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If you are prompted to force an app to close, tap [Force close] .
–
Disconnect the USB cable from the phone and then press and hold for about 20 seconds. The phone
will turn off, and then turn on again. If it does not turn on again automatically, turn the phone on manually.
You may need to charge the battery before the phone can be turned on again.
–
Reset the phone.
Resetting the phone
1.
From the Home screen, press .
2.
Tap [Settings]
®
[Privacy]
®
[Factory data reset] .
3.
Enter the terminal password if prompted and then tap [OK] .
•
If you want to delete the internal memory also, turn on the [Erase USB storage] checkbox.
4.
Tap [Reset phone]
®
[Erase everything] .
IMPORTANT
•
All personal information and downloaded apps will be deleted if you reset the phone. Back up any
important data stored on the phone before resetting it.
I forgot the unlock method used for screen lock
Contact your regional Panasonic service centre.
The phone does not recognise my IC card
•
The phone cannot detect IC cards if the phone’s NFC feature is turned off. To confirm the setting, tap
in the Home screen, tap [Settings]
®
[Wireless & networks] , and then turn on the [NFC] checkbox
if necessary.
•
Certain IC cards may not be able to be registered.
The battery does not charge
The USB cable is not connected to the phone or to the power source correctly. Check all connections.
The battery charging icon does not appear
It may take a few minutes before the battery icon appears when the phone starts charging.
The battery performance is low
Try using eco mode to save battery power. See page “eco mode” (page 19) for more information.
The battery performance is poor
•
Check all connections and charge the battery again.
•
Ambient temperature is too hot or too cold.
76 User Guide
Troubleshooting