The headphone jack is adhered to the frame, and its flex cable is adhered to the frame and the strip of Kapton tape.

Use heat to soften the adhesive, then insert an opening pick here to separate the flex cable from the frame.

Use an opening pick to pry around the headphone jack to separate it from the adhesive in its housing.

If you're only replacing the headphone jack, peel it off of the Kapton tape. If you're replacing the display, go to the next step.