How To Reboot or DFU iPhone 7 When the Home Button has Gone Force Touch.

★IPhone

If your iPhone 7 stops responding and you can't even turn it off by holding down the power button, you may need to do a force unlock/DFU

◇Press and hold down the On/Off button on the right side
◇While continuing to hold the On/Off button, press and hold the volume down button on the left side of your iPhone.
◆Hold both buttons as the screen turns off, and keep holding them until the screen turns back on and displays the Apple logo.

How to put your iPhone/iPad into DFU mode

◇Plug in your iPhone 7.
◆Make sure iTunes is running.
◇Turn Off your iPhone 7 if it isn't already.
◆Press and hold down the On/Off button on the right side of your device for 3 seconds.
◇Press and hold down the volume down button on the left side of your iPhone 7 while still holding down the On/Off button.
◇ Keep holding both buttons down for 10 seconds. (If you see the Apple logo, you've held them too long and will need to start again.)
◆ Let go of the On/Off Button but keep holding the volume down button for about 5 seconds. (If you see the "Plug into iTunes" screen, then you've held it too long and will need to start again.)
◆ If the screen stays black, that's it! Your iPhone 7should now be in DFU mode.