iPhone Dev Team has just released Redsn0w 0.9.7b4, which eliminates the need to install and run a separate program for usbmux. iPhone Dev Team had released Redsn0w 0.9.7b1 over the weekend that implements the “backup plan” for iOS 4.2.1 untethered jailbreak for iPhone 4,iPad and iPod touch 4G, which is currently meant only for beta testers. […]
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