Untethered Triple Boot iOS , and on iPhone 4 (N90AP)

For this video, I implemented an untethered triple boot involving iOS , iOS and iOS on my iPhone 4 (N90AP). The iOS device normally do a signed boot to iOS untethered jailbroken at userland level­. I resized the data partition, then I created four new partitions (system, data for iOS 6 and system, data for iOS 5). I formatted new partitions in HFS volumes, then I mounted them. Into those new volumes, I copied the content from respective file system .dmg images. I did adjustements to