Even though the latest iOS jailbreak tool absinthe has already taken the control of newest jailbreaking techniques from redsn0w, iPhone, iPad and iPod Touch users are very much in need of redsn0w features, especially to get their iOS firmware versions downgraded to a previous update. There is a redsn0w update happened today which was announced by the iPhone Dev Team member, Musclenerd which improves one of the previous version redsn0w features that is able to downgrade your iPhone 3GS from iOS baseband 06.15.00 to a previous baseband 05.13.04, which is fully functional and can also be unlocked.
iPhone Dev Team has improved the performance of getting downgraded in the latest version redsn0w 0.9.14b2. Earlier version redsn0w only covered the most significant NOR chip in both iPhone 3G and 3GS. But if you use the newest redsn0w 0.9.14b2, it is able to cover 3 types of NOR chips in the iOS devices. We have given the download links for Windows and Mac below.
In addition to the above mentioned redsn0w features, the latest version jailbreak tool comes with a new DFU IPSW feature. It will definitely be very much helpful for those who have shattered home button. Because while the jailbreak tools like redsn0w asks to put your iPhone 3GS or 3G into DFU mode, you should use the home button to do it. New DFU IPSW feature of redsn0w 0.9.14b2 will automate it, you can select it from Extras –> Even More.
Let us know if you have any doubts regarding this iOS downgrade of iPhone 3G and 3GS from baseband 06.15.00 to 05.13.04. Also, stay with us, we will keep you updated about all the latest iOS jailbreak, and downgrade tools like Absinthe, Redsn0w etc.