Jim Silly-Balls posted:

[*]The N3DS stores the microSD under the back battery plate, which is held in by screws, tiny Philips #0 screws, which you need a special small screwdriver to unscrew. You also need to practice unscrewing these screws well ahead of time, as well as finding a screw removing dojo with a philips sensei who can teach you how to do this. The OG 3DS takes Philips #00 screws and is basically expert mode.