Trying to hack my first DSi again rather than pay $30+ for a half decent DS. All I remember is following the guide and getting stuck after I installed unlaunch. The card
Jailbreak Your Nintendo DSi In Just 12 Minutes! - YouTube
Recently picked up a Nintendo DSi LL from eBay for $52. These are Japanese models but work with US games. Easier to find than US models, cheaper, and seem to be in
Nintendo DSi Jailbreak Homebrew CFW Guide EASY and FAST - YouTube