Yesterday Apple rolled out the new iOS 4 for iPhone 3G, iPhone 3GS and iPod Touch 2G, and iPhone Dev Team updated their jailbreaking and unlocking softwares for this new iOS 4. Today here is another update from team: PwnageTool 4.0.
This update supports only iPhone 3G and iPhone 3GS. The other devices iPhone 2G, iPod Touch and iPod Touch 2G are not supported by Pwnage Tool 4.0, or you can say these devices are not supported in iOS 4.
We are not going in further details. You can download this new update and read the other instruction on official Pwnage Tool 4 page here.