First, we apply heat to the back cover to soften the adhesive that holds it, we introduce a plastic spike-type tool so as not to damage the case, and we separate it all around.

With a Phillips screwdriver (PH # 00) we remove the ten indicated screws to separate the housing from the terminal with a thin plastic tool.

With a fine opening tool we disconnect the battery to work more safely.

With a Phillips screwdriver (PH # 00), we remove the eight screws from the speaker and vibrator module, and with a thin plastic tool we remove it from its housing.

By mistake the battery is lodged in its place, despite having removed it in the previous step.

With a flat plastic tool, we loosen the coaxial connection at its end to be able to extract the auxiliary plate.

We release the connection of the interconnection flex of the auxiliary plate with the help of a thin plastic tool, and with it we lift the plate from its housing until it is extracted.