I keep getting told firm0.bin dosn't exist or has a wrong size. I'm trying to update a9lh on my n3ds, with the screeninit payload for A9LH. Currently my a9lh folder looks like this
/a9lh/firm0.bin
/a9lh/firm1.bin
/a9lh/otp.bin
/a9lh/payload_stage1.bin
/a9lh/payload_stage2.bin...