Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from.

Use a Phillips screwdriver to remove the two screws securing the ambient light sensor cable bracket to the logic board:

One 1.3 mm screw

One 2.0 mm screw

During reassembly, this is a good point to power on your iPad and test all functions before sealing it up. Be sure to power your iPad back down before you continue working.