How To Unlock A Samsung Phone

1. Simultaneously press and hold the Power button (located on the upper-right edge) + Volume Up button (located on the left edge near the top) + Home button (located at the bottom in the middle) until recovery booting appears in the upper-left part of the screen.
    If the Android system recovery screen doesn't display, refer to the alternate button method.
2. 
3. From the Android system recovery screen, select wipe data/factory reset.
    Utilize the volume up/down keys to highlight and the power button to select.
4.  
   
5. 1. Select Yes -- delete all user data.
       Allow several seconds for the factory data reset to complete.
   2. Select reboot system now.
       Allow several minutes for the reboot process to complete.