Guide with all the necessary steps for you to change the components of the TP-Link Neffos X1 Max (TP903A) yourself.
We disconnect the flex from the screen, the bridge flex and the flex from the side push-buttons, we remove the five Phillips screws (PH # 00) and the Pentalobe (TS1) that hold the motherboard, we lift it with the help of a flat tool, and we must disconnect the coaxial cable that is connected to the back of the board.