Just like at the at the wind-down of last year’s WWDC, we’re releasing a developer-only version of a redsn0w tethered jailbreak for app developers.
You can download the latest version of RedSn0w from here:
DevTeam comments are available
Here are download links for the latest versions of software for iPhone, iPod Touch and iPad jailbreaking, activating and unlocking:
iFaith 1.4.2 (Windows tool that will save SHSH keys for your current installed iOS)
Current version is ultrasn0w 1.2.3, download in Cydia (unlock for iPhone 4, iPhone 3GS, iPhone 3G, firmwares 3.0-4.3.3; it supports basebands 01.59.00, 04.26.08, 05.11.07, 05.12.01, 05.13.04, 06.15.00)
You can download older software versions