MuscleNerd has just shared a two minutes Youtube video testing the upcoming new version of PwnageTool which is based on Geohot's Limera1n bootrom exploit, the new PwnageTool version will allow you to restore custom firmwares without upgrading to 05.14.02/2.10.4 basebands on iPhone 3GS and iPhone 4 to be able to unlock them with the existing version of ultrasn0w. It will be compatible with iPhone 4, iPhone 3GS (new bootrom), iPod touch 4G/3G, iPad and Apple TV 2G.