Open the menu by pressing the left soft key. Press the same button again then click "Settings". Navigate through the options and select "More". An additional list of settings will appear from which you need to choose "Security". Click "Phone Reset" then type in your password. Press the "Left Soft Key" then click Okay. See all the details on http://www.ehow.com/how_7642675_reset-metro-pcs-phone.html.