First of all we must extract the tray of the cards.

Remove the two Pentalobe screws (TS1), and with the aid of suction cups and a fine tine, we will uncouple all the edges of the casing, so as not to damage the casing we can change the metal plectrum with plastic ones.

Remove the five Phillips screws (PH # 00) that hold the loudspeaker module and the side shield.

We disconnected the interconnection flex and the coaxial cable of the auxiliary plate that we are going to replace, and we can replace it.