AT&T Cingular Flip IV, Руководство пользователя

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Troubleshooting
Before contacting the service center, follow the instructions below:
•
Make sure your phone’s battery is fully charged for optimal operation .
•
Avoid storing large amounts of data in your phone, as this may affect its
performance .
•
Use Reset Phone and the Upgrade tool to perform phone formatting or
software upgrading . ALL Users phone data (contacts, photos, messages
and files, downloaded applications, etc .) will be permanently deleted . It is
strongly advised to fully backup the phone data and profile before
formatting and upgrading .
If you are having the following issues:
My phone has not responded for several minutes.
•
Restart your phone by pressing and holding the End/Power key .
•
If you are unable to turn the phone off, remove and replace the battery, then
turn the phone on again .
My phone turns off by itself.
•
Check that your screen is locked when you are not using your phone,
and make sure the
End/Power
key is not being pressed due to an
unlocked screen .
•
Check the battery charge level .