TinyUmbrella has been updated to support the new iOS 4 on iPhone 3GS and iPod touch 2G/3G. iPad is also supported but iOS 4 for iPad isn't available yet. iPhone 3G is not supported because you don't need to save SHSH blobs for iPhone 3G, and older iPod touch (non MC model).
JoinedJuly 8, 2008
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The official release of PwnageTool 4.0 for creating custom ipsw files for iOS 4.0 is now LIVE! The infamous iPhone Dev-Team has updated their PwnageTool for Mac to make it compatible with the newly released iOS 4 for iPhone 3GS, iPhone 3G and iPod touch 2G (non-MC model only). The custom .ipsw firmware files created with PwnageTool can update iPhone to iOS 4 without updating its baseband. iPod touch 2G MC model and iPod touch 3G is currently not supported.
Redsn0w has been updated to bring jailbreak support for the newly released final version of iOS 4 for iPhone 3G and iPod touch 2G. Available for both Windows and Mac, redsn0w jailbreak tool additionally also enables options for multitasking and background wallpapers on iPhone 3G and iPod touch 2G which otherwise are disabled by Apple.
The iPhone hacker behind sn0wbreeze, f0recast and BlackBreeze today has shared new screenshots of the upcoming Sn0wbreeze V1.6 for iOS 4.0 which promises to jailbreak iPhone 3GS (old bootrom), iPhone 3G and iPod touch 2G on the newly released iOS 4. While there is no ETA (Estimated Time of Arrival) on the release yet, but there is no reason why it shouldn’t be soon as the new unlock and jailbreak for iOS 4 is now out in public already.
Its here! This is what you all have been waiting for!! Ultrasn0w 0.93 has been released to unlock all iPhones on the latest 05.13.04 (on iOS 4) and 05.12.08 (on 3.1.3) basebands. The guide for unlocking is exactly the same as posted here, except for the Cydia repo which this time is: repo666.ultrasn0w.com. Follow that one until we update the post here! Stay tuned for more!
Apple today has released iOS 4 for iPhone 3GS, iPhone 3G, iPod touch 3G and iPod touch 2G to public as a free download via iTunes. This is the same build 8A293 which was released as GM candidate on June 7th. For those of you who don't know, iOS 4 was formerly known as iPhone OS 4 and was renamed to iOS at this years’ WWDC 10 where iOS 4 was first released to developers.
In a reply to a tweet, MuscleNerd of iPhone Dev Team has confirmed that iOS 4 (formerly iPhone OS 4) is confirmed to be unlockable, and probably so is the yet to be released iPhone 4. What they have actually got this time around is a new exploit for the latest 05.12.01 / 05.13.04 basebands, which they have been saving for months for a major new update - the time for which has now come.
The iPhone Dev Team has just released a near final version of Redsn0w 0.9.5 for both Windows and Mac. This beta release, like all the previous ones is meant for iPhone 3G and iPod touch 2G only, running iOS 4 (formerly iPhone OS 4). Apart from multitasking and wallpapers support on iOS 4.0 on iPhone 3G and iPod touch 2G, this version also brings support to enable battery percentage which otherwise is disabled by Apple.
Apparently, there is a working iPhone 4 floating around in Czech Republic whose camera pictures and video samples have been published for everyone to see. The Czech reviewer has also taken note of the battery which after an hour of playing games, surfing Internet, YouTube and using Google Maps, battery only fell by 10%, which is great for a phone.
iOS 4 is the first firmware in which Apple has completely cut off the support for aging original iPhone EDGE and iPod touch first-generation. Their decision of course is justified because of the low RAM found in these first-gen devices which were released back in 2007. But all is not lost as the iPhone jailbreak community has now come up with a mod, which brings the complete look and feel of iOS 4 (formerly iPhone OS 4) for iPhone 2G. The mod is basically based on the iPhone OS 3.1.3, to replicate the experience of iOS 4 on iPhone 2G (EDGE).

