This instruction is only for Tab10 with android 4.0 and dual camera
1.Turn off your tablet
2.Press and hold Volume up(+) button and press and hold power button.
Hold both buttons for about 10-15 seconds until tablet turns on, then
you can release them.
2.You will see android figure with red sign in the middle. Press volume up (+) once.
3.You will see a menu, navigate (by volume buttons) to 'wipe data /
factory reset .Press Power button and navigate to 'Yes-delete all user
data' , tablet will re-set.
4.Do the same for 'wipe cache partition'
5.After that navigate to 'reboot system now' and press power button.
That's it
Any questions please leave a comment.