The iPhone-Dev team today released Redsn0w 0.9.6 b5, a carrier unlock and hactivation tool for iPhone 3G and iPhone 3G S with iOS 4.2.1. Redsn0w 0.9.6 b5 is the PwnageTool 4.1.3 alternative for Windows. It can be use to upgrade the modem firmware version in iPhone 3G and iPhone 3 GS from 05.14.02, 05.15.04 or higher to the unlock supported baseband 06.15.00. Here we … [Read more...] about Download Redsn0w 0.9.6 b5 unlock for iOS 4.2.1