Hi there,
I just purchased a used AVIC-8200NEX (advertised as a W8400, but that's another story...). Finally got it mostly wired up in my car, but few kinks to iron out still (reverse signal, VSS, factory bluetooth mic, etc).
Being a young guy who used to be somewhat deep into the whole XDA, Android development stuff, I naturally thought "hmm...I bet there's some custom firmware I can flash onto this thing..." and then I found this website. The stock software actually seems to be 'satisfactory' but I only have like 15 mins of time with it, so *shrug*
Years ago, I used to wire u