How To Hard Reset Samsung Galaxy S7| S7 Edge

1: Press Volume Up Button

2: Press Home Button
3: And Hold Power button.
   after vibrate release power key only
   you will see a android white color logo
4: Release All Button And single  press home button
5: volume down key to navigate
6: select Wipe Data and Factory Reset
7: Tap Yes
8: Reboot device
Hard reset  done...