Unlock iPhone 4S ultrasn0w is very imminent. Today we got a great news for the people who are waiting for iPhone 4S Unlock. This news came straight from the Musclenerd's twitter account. According to Musclenerd, They have successfully dumped the baseband bootrom of iPhone 4S. He has also posted a screenshot to prove it.
Musclenerd has simply provided the Unlock's progress. As he have dumped the baseband Bootrom so it will be now easy to get the Unlock for iPhone 4S. Basically, the code which connects the iPhone with the cellular network resides inside the internal Rom. So, dumping the baseband bootrom means that they can use an exploit to get success in Unlock process.
Update: Now you can make iPhone official factory unlock, you can check the details from here
It's just been four days when Musclenerd tweeted that, a very promising Unlock for iPhone 4S is in progress. As soon as the exploit is done, you will be able to Unlock your iPhone 4S. Well, this unlock will be only available for iPhone 4S. No new unlock is coming for iPhone 4 or 3Gs. We have also provided a simple method to Unlock iPhone 4S which doesn't require any software or hardware modification.
Unlock iPhone 4S with Ultrasn0w Release Date :
Actually MusclNerd didn't announce about the estimate release date for the next version of ultrasn0w that will unlock iPhone 4S but it looks very imminent. We will update you once more information comes-in