i was following this guide http://gbatemp.net/index.php?showtopic=146735 and it went perfectly. i can install wads again, but i couldn't play trucha signed disc. so i decided to do it over again and instead of using the ciosv9 wad, i tried the cios_fix.wad. well the cios_fix. wad gave me an error so i searched on the internet for how to fix it and someone said to use the cios uninstaller 1.0, so i did and it deleted something and now i stuck with this mess. i can't even install wads again and i keep getting ret-1017 and for ios13 i get ret -1 (i placed it in the right wad folder too) also when i tried to load a trucha signed disc in, it says unable to read disc (not surprising) but what was surprising was that the screen turned black and said "system files are corrupted..." i already tried to downgrade again and that went successfully but still nothing changed i can't install any wads. i think i made things worse. im so stupid. please help. thank you.