So, none re-calibrate... What I usually do it "Accidently" Drop/Throw my devices...DSi, I dropped it once and it started working again(It would not read the game cards). My laptop did not change when I flipped it off the couch. Last my 3DS, uhh...I don't think you should drop it in water Senpai...(My Wii always gets pulled off its stand cause SOMEBODY *Glares at Minato N.* uses the Gamecube remote