I've been following plailect's guide to installing arm9loaderhax on my old 3DS. (https://plailect.github.io/Guide/installing-arm9loaderhax) I have successfully downgraded the system to 2.1.0 as instructed by the guide and as I go to type in http://dukesrg.github.io/2xrsa.html?arm11.bin (which is...