Official site:\r<br>warning! Do this at your own risk! All your phone data (conts,photos,videos,music,messages,applications,games,files,) will be lost! Please make backup first if you can\r<br>.If you forgot your screen lock combination follow these steps\r<br>\r<br>\r<br>* Power off your phone \r<br>* Press together volume up + home button + powor button \r<br>* Release your fingers of the phone when Samsung logo appear\r<br>* Choose with volume buttons wipe data/fory reset and select it with power button\r<br>* Choose yes with volume buttons and select it with power button\r<br>* Wait untiil format is complete \r<br>* Select reboot
