“The unofficial iPhone Dev Team has released redsn0w 0.9.6b4, an updated jailbreaking utility for iOS devices,” iPodNN reports.
“The hack now supports iOS 4.2.1, which was launched on Monday,” iPodNN reports. “While v0.9.6b4 can jailbreak every iOS device, the convenience involved varies.”
iPodNN reports, “Either option should support the Cydia distribution system, as well as the MobileSubstrate framework.
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