Bundle PwnageTool to jailbreak the iPhone 3G (outdated bootrom) in iOS four.2 Beta 2 has been launched through msft.man. Now you should utilize this bundle with the present model of PwnageTool to create information which are jailbreak and firmware for the iPhone 3G hacktivated. However as at all times, this bundle is for Outdated Bootrom 3G iPhone completely.
Those who have their devices New Bootrom (new bootrom) will have to wait for the release of PwnageTool or GreenPois0n tools, which will be released soon speculated.
Unfortunately, Cydia does not currently work in iOS firmware 4.2 but msft.guy has released a patched version of Cydia and MobileSubstrate you have to install manually.
To test this bundle, simply download the latest version of PwnageTool bundle, then follow the instructions posted here for use PwnageTool 4.0.1 under iOS 4.2 Beta 2.
Clarification: Proceed at your own risk. TecnoLatino.com is not responsible for any loss of data or malfunction of your iPhone in this tutorial.