Press the Down arrow on the directional pad to select "Settings" Press "OK" to enter. Press the Down arrow again to highlight "Security" then press "OK" You'll be prompted for your phone's code.
Type the code into the box using the keypad. The code is the security code you set up for the phone. If you've never set up a code, enter "0000." If that doesn't work, try the last four digits of your social security number. This displays the full "Security" menu. Press the down arrow to highlight "Reset Phone."
Press "OK" to select the reset-phone option. Press the Down arrow to highlight "Yes." Press "OK" to hard reset.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.