It was the 11th post which you said was "too complicated"I couldnt get it fixed tbh, with no nand backup... it’s easy to fix? Why noone told me any way to fix it? Maybe was not too easy it seems
Blue screen is fuse error if i remember correctly, try look here to downgrade/update from pc
https://gbatemp.net/threads/how-to-...nofficially-without-burning-any-fuses.507461/
How much did you sell the switch for?I tried the guide but got stuck after a while ... its very long and not well explained... well too late now i bought a new switch and thats it