We just published a post about the new version of Ultrasn0w 1.0 – 1 which will be able to unlock iPhone 4 baseband 0.1.59.00 and iPhone 3G/3GS basebands 04.26.08, 05.11.07, 05.12.01 and 05.13.04 on iOS 4.0 and iOS 4.0.1. Here is the high resolution picture of this new tool posted by Sherif Hashif.
Sherif Hashif just tweeted that he has accomplished the beta testing of Ultrasnow 1.0-1 successfully. Lets see when iPhone Dev Team release this tool and what will be the Ultrasnow version in final release.