Just successfully install iPhone 3.0 SW on my 2G iPhone now …
This is how I did it:
1. First, I unlock/jailbreak my iPhone 2G to firmware v.2.2.1 with my Mac using the PwnageTool, refer to the following link for detailed about the step -> http://www.iclarified.com/entry/index.php?enid=1557
2. Then, refer to the following link for steps to Update iPhone 2G to OS 3.0 Without Losing Activation/Unlock ->
http://www.iphoneheat.com/2009/06/how-to-update-iphone-2g-to-os-30-without-losing-activationunlock/
That’s all, I successfully installed the iPhone 3.0 SW to my 2G iPhone …
Should you interested & unsure how to do it, post your questions to this discussion board.
PS: Will post the best-known-method to update the iPhone 3.0 SW to iPhone 3G in a separate topic after I test it out …
By Aaron …