Samsung SCH-U680 - Fake Call; Noise Cancellation

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Restore Phone
Return all phone settings to the factory defaults and
permanently erase all user information.
Warning! Choosing Restore Phone will return your phone to the
default settings and permanently erase all your
entries and information saved on the phone,
including pictures, videos, music, messages,
contacts and downloaded applications.
1. From the Home screen, press
MENU ➔
Settings & Tools ➔ Phone Settings ➔ Security .
2. Enter the Phone Only lock code at the prompt. The
default lock code is the last four digits of your
phone number.
3. Press Restore Phone.
4. At the prompt, highlight
Yes , then press OK to
restore default settings.
Note: After the phone power cycles back on, press *228 and
press the Send Key to connect to the network and
program your phone with default network settings.
Note: For the VZ Tones and Mobile Email preloaded apps, if you
delete them manually, they will be deleted permanently
and will not be restored by Restore Phone—but you can
download them anytime from Apps.
Reset Settings
Return all phone settings to the factory defaults.
Note: Choosing Reset Settings will return your phone to the
default settings, but does not delete your entries and
information.
1. From the Home screen, press
MENU ➔
Settings & Tools ➔ Phone Settings ➔ Security .
2. Enter the Phone Only lock code at the prompt. The
default lock code is the last four digits of your phone
number.
3. Press
Reset Settings .
4. At the prompt, highlight
Yes , then press OK to
restore default settings.