I had the same question, but the answer is yes. Steps 21-30 are removing parts from the original screen that need to be reattached onto the new screen. You are no longer working inside the frame, but on the back of the screen itself.

I had the same question, but the answer is yes. Steps 21-30 are removing parts from the original screen that need to be reattached onto the new screen. You are no longer working inside the frame, but on the back of the screen itself.