Use the point of a spudger to carefully pry up and disconnect the bottom-right loudspeaker's yellow coaxial cable from the motherboard.

Take care not to puncture or bend the battery with your tool—a punctured or bent battery may leak dangerous chemicals or cause a fire.

During reassembly, these can be tricky to reconnect. One at a time, hold each connector in place over its socket and press down with the flat end of a spudger. The connector should snap into place.