Power button is an oval shape button which is located at the right side of the iPad air 2 and is an essential element to turn off or turn on the device whenever you want. The power button of iPad also works as a sleep and wake up button when phone is powered on. The iPad air 2 has a power button assembled along with the volume and mute button during the manufacturing time. If the button stops working it needs to be replaced with the complete power button flex assembly. If your iPad air 2 power button also faces some issues it is the time to get it replaced instantly as it is near to impossible to use iPad without the correctly functioning power button.