is the arm9loaderhax.bin.bak the backup of arm9loaderhax?Go back to the paliect guide and you can most likely find it there....
oh thank youI'll assume you were using Luma, so here's where you can get it again: https://github.com/AuroraWright/Luma3DS/releases
Yeahis the arm9loaderhax.bin.bak the backup of arm9loaderhax?