Untethered Jailbreak 4.3.1 iPhone Redsn0w (Tutorial Windows and Mac)

Untethered Jailbreak 4.3.1 iPhone is now possible thanks to the new version of the tool redsn0w the 0.9.6rc9. This jailbreak is true for Windows and for Mac.
Warnings:This method of Jailbreak iPhone IS NOT COMPATIBLE with 2 .
It is highly recommended to restore the iPhone before continuing the process.
Although a fairly simple process is not recommended for novice or inexperienced. Jailbreak