This tool does appear to do a permanent NAND unlock, irreversibly voiding your phone’s warranty, proceed with caution.[/note]
This night keeps getting better and better. The unrevoked team just announced the release of their anticipated Unrevoked Forever tool. What does it do? While the summary provided by unrevoked is a far better explanation, I’ll keep it short and sweet: once you install unrevoked forever, your phone can flash unsigned updates, no matter what, forever.