iFixit

Use a plastic opening tool to lift the display data cable lock upwards.

Pull the display data cable out of its socket.

Be careful not pull the connector upward as you disconnect it from its socket.

Remove the LCD assembly from the rear panel assembly.

If present, use a plastic opening tool to help remove the piece of tape covering the end of the dock connector cable.

Use the edge of a plastic opening tool to carefully pry the dock connector cable's connector up from its socket on the logic board.

Peel the dock connector ribbon cable off the rear panel.

Pry the speaker cable connector straight up from its socket on the logic board.

Be careful to pry only the connector, not the socket on the logic board, or you may destroy the socket.

Use the edge of a plastic opening tool to flip up the retaining flap on the headphone jack and front camera cable ZIF socket.

Be sure you are prying upward on the hinged retaining flap, not the socket itself.

Peel the headphone jack and front camera cable off the rear case.

Pull the headphone jack and front camera ribbon cable straight out of its socket on the logic board.

Use the edge of a plastic opening tool to flip up the retainer securing the control board cable connector to its socket on the logic board.

Pull the connector away from its socket on the logic board.

Do not lift the cable upward as you disconnect it.

Remove the two 2.1 mm Phillips screws securing the logic board bracket to the rear case near the digitizer cable socket.

Remove the logic board bracket from the rear case.