The audio cable can be removed by simply pulling gently.

Use the iFixit opening tool to pop out the 2 antennae lines from the motherboard.

When reinstalling these Wifi Antenna connections, align the antenna on top of the fitting and gently use the Plastic Spudger to apply pressure and seat the connection. Do not use your fingers to press down on the connector, or you risk permanently damaging the connector by bending it.