Via Gizmodo
As expected, the new iPhone OS 3.0 is out. You can click on the “Check for Update” button right now to get your iPhone updated. If you used the pirated 3.0 golden master, this update is exactly the same:
Just to let you guys know, the MD5 hashes for the newly updated firmwares are identical to those of the golden master builds distributed last week. Therefore, people with the GM build won’t need to upgrade [in fact, iTunes won’t let you because you are up to date] as they already have this file.