If you have just recently or are going to soon buy a new iPhone 3GS you may get a nasty surprise when you try and jailbreak it. It turns out that Apple have finally managed to find a block for the 24kPwn exploit meaning that the new units of the iPhone 3GS may be un-jailbreakable.
This news was tweeted by @Mathieulh and was later backed up by the Dev Team.
NEW BOOTROM
OLD BOOTROM
This new Bootrom means that current jailbreaking tools WILL NOT jailbreak the new iPhone 3GS however do not loose hope. The Dev Team will eventually find out a new way to get around the new version and render the new units of the iPhone 3GS jailbreakable again!
[...] that were circulating on the internet that new iPhone 3GS in unjailbreakable due to an update on the Bootrom but it turns out that only [...]
[...] Blackra1n RC2 Goes Live! Supports new iPhone 3GS Posted by admin October – 26 – 2009 – Monday GeoHot has gone ahead and release the second release candidate of his iPhone and iPod Touch jailbreaking tool called Blackra1n. This new version fixes alot of problems such as the Icy one and gives support to OS 3.1 out-of-the-box iPod Touch 3rd generations and the new iPhone 3GS which were feared to be unjailbreakable. [...]