First of all we must apply heat to the back shell to soften the adhesive that holds it, and with the help of a plastic pick we will peel off all the edges of the shell.

We remove the five Phillips screws (PH # 00) that hold the intermediate shield to which the wireless charging coil is attached, and with a flat tool we will unhook it, and we can now disconnect the battery, in order to work with greater security.

We remove the four Phillips screws (PH # 00) that hold the housing, and with a flat tip tool we will unhook it.

We disconnect all the components that are connected to the motherboard and remove the card tray.

We remove the two Phillips screws (PH # 00) that hold the motherboard and the rear cameras, and with a tool we will make a smooth lever to lift the motherboard.

And to finish we will only have to disconnect the rear cameras from the failed motherboard that we have to change.