Also unlocks iPhone 3G to use SIM card from any mobile service provider
Hours after the release of Apple's major iOS 4.0 software update, the iPhone hacking iPhone Dev Team has released hack to jailbreak iPhone 3G and iPod Touch devices. The highly anticipated iOS 0.4 release brings multi-tasking, wallpapers and several other features. The iPhone Dev Team has released redsn0w 0.9.5 beta 3 for jailbreaking iPhone 3G and iPod touch. This tool is available for Mac as well as Windows platform.
The new redsn0w 0.9.5 beta also hacktivates iOS 4.0 update running iPhone 3G. Hacktivation is the process of activating the iPhone with non-official SIM card. Now, all iPhone 3G phones with baseband between 04.26.08 and 05.13.04 can be unlocked using ultrasn0w 0.9.3 update from Cydia Store.
This new jailbreak tool also allows you to activate multi-tasking, wallpapers and shows battery life in percentage format. Unfortunately, the iPhone 3GS and iPod touch third generation owners will have to wait for a couple of days/weeks to jailbreak, hacktivate and unlock their devices.