.If you forgot your screen lock combination follow these steps
* Power off your phone
* Press together volume up + home button + power button
* Release your fingers of the phone when Samsung logo appear
* Choose with volume buttons "wipe data/factory reset" and select it with home button
* Choose "yes" with volume buttons and select it with home button
* Wait untiil format is complete
* Select "reboot system now"
* wait untill phone restarts
That's it!
If you liked this vídeo don't forget to click "like" "subscribe" :)