Now, the flex cables need to be disconnected.

There is no particular order they need to be disconnected in, as long as they all are disconnected.

Upon reassembly, it helps to swab all the contacts at the end of the cables with a degreaser such as Isopropyl alcohol.

Most of the cables can be disconnected by flipping up a tightening bar.

To do so, insert a plastic opening tool under the edge and pry up

Now that the cable is lose, use tweezers or just simply your fingers to pull out the cable.