Lift and remove the back cover.

During reassembly:

Now is a good time to test your phone before sealing it up. Power it on and check that it works. Power it back down before you continue reassembly.

If you're installing a new back cover:

Make sure you remove all liners from the underside.

Use the flat end of a spudger to press the small cable above the wireless charging coil into place over its alignment posts.

Place the back cover onto the frame and firmly squeeze around the perimeter to reengage all the clips.