How to Decrypt, Extract & Rebuild 3DS Roms - Run XY/ORAS Sept 1, 2015 8:43:25 GMT -4 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by dlevere on Sept 1, 2015 8:43:25 GMT -4 With this tutorial, you will be able to decrypt, extract, and rebuild a 3DS ROM.You will also be able to launch X/Y, OmegaRuby/AlphaSapphire without having to update.