Table of Contents
Press and release the Volume Up button.
Press and release the Volume Down button.
Press and hold the Power button.
Now, you may see the restart slider appear, but even then, keep the Power button pressed until the screen goes black. You will see the Apple logo, but keep the power button pressed.
In a few seconds, you will see a prompt on the screen to plug your iPhone into the Computer. this is the recovery mode on the iPhone. Now, you can plug the iPhone into your computer and use iTunes to restore the OS on the device.
