I'm making this post because when i tried to perform this mod, there were only few people that replaced top screens from a N3DSxl, let alone a TFT for an IPS and shared their experience with it. Furthermore, some guides like the one on ifixit, are quetionable in quality (some steps are so...
Caller -"Everytime I start a Pc game on my S24, playing on a external monitor, someone calls or texts me, n it kicks me out of the game." Customer Support - Click (hangs up)