DevTeam updated iOS 4 jailbreak utility redsn0w to version 0.9.5b5-5. That should fix any APN or MMS issues that users were seeing. It’s safe to re-run it on an already jailbroken iPhone without restoring. Just deselect “Install Cydia” if you do that.
Supported devices are still only iPhone3G and iPod Touch 2G (not MC)
DevTeam successfully jailbreaked new iOS 4. They updated jailbreak utility redsn0w to version 0.9.5b5-3. Supported devices are iPhone3G and iPod Touch 2G (not MC). New redsn0w is also able to hacktivate iOS 4.0 for iPhone3G.
MuscleNerd just released redsn0w 0.9.5 beta – the first public jailbreak of iPhone OS 4. This utility is only for developers of jailbroken apps, so they can update apps for firmware 4.0. The jailbreak only supports the iPhone 3G and runs on MAC OS X. There is no carrier unlock right now.
iH8sn0w has just released a new version of Sn0wbreeze, the Windows tool that allows you to jailbreak Firmware 3.1.3. This is a small update that fixes a problem that occurs only on 64bit operating system.
iH8sn0w released a new version of Sn0wbreeze, the Windows tool that allows to jailbreak the newest firmware 3.1.3. This is a small update that addresses several problems with YouTube.
You can download the new version of sn0wbreeze from here.
We still recommend to use DevTeam utilities – redsn0w (Windows and MAC OS) and pwnagetool (MAC OS only).