Use a pair of tweezers to grip the right antenna connector, as close to its base as possible.

Lift straight up to disconnect the cable.

The antenna connectors on the logic board are very fragile. When disconnecting the cables, pull straight up—don’t bend them to the side.

To reattach antenna connectors like these, align the connector over its socket and press down with the flat end of a spudger. The connector should snap into place. This can be tricky and may take a few tries.