The iPhone Dev Team has just introduced the fruits of their latest effort, the ultrasn0w for iOS 4. Don’t break open that bottle of bubbly just yet – this latest release will work only with the iPhone 3GS and baseband 04.26.08, dampening the mood for us who were looking forward to an ultrasn0w iOS 4 unlock, but guess beggars can’t be choosers at this point, right? For those who have tried out the iOS 4 GM jailbreak package and have managed to jailbreak your iPhone 3GS and retain baseband 04.26.08, all you need to do is add up http://ios4.ultrasn0w.org to the list of sources in Cydia, take a gander at ultrasn0w 0.92 and you’re good to go. As for iPhone 3GS users who already have iOS 4 with baseband 05.11.07, a new Blacksn0w RC2 unlock is available for you to give it a go. Just remember to make a backup of whatever you have on your phone before embarking on such “adventurous” tricks, since there is always a remote possibility of Murphy popping up.