1. Disconnect the AirPort Extreme antenna coupling. Grasp the coupling (not the wires) at both ends and pull to separate at the middle.
2. If replacing the AirPort Extreme flex cable, remove the two screws.
3. Remove four screws and lift out the AirPort Extreme card cage.
4. Notice the routing of the antenna cable jumper and remove. If not replacing, transfer to the replacement cage.
Install the replacement AirPort Extreme card cage.
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