Subject: https://prnt.sc/iae8ex From this picture, we see that A is a normally ZIF connector. It has a lovely clamp which...

There is a clamp. Should probably update this guide! http://prntscr.com/iaeyej On the other side of the housing there is a flap. It didn't break when I flipped it. Read my reply to Ben in the comments for more information. New Nintendo 3DS XL 2015 Game Card Reader Replacement