To begin we must apply heat to the back cover, and with the help of a flat tool we will remove all the edges of the casing

We extract the Phillips screw (PH # 00) that holds the shield that covers the connector and we can disconnect it.

We extract the seven Phillips screws (PH # 00) that hold the intermediate housing, and with the help of a flat tool we will remove it.

We disconnect the flex that we are going to change, we remove the protective plastic that is above the zone of the pulsadores, and with the help of a metallic prick we will take off the damaged pushbuttons.