MuscleNerd has tweeted that RedSn0w 0.9.13dev3 can jailbreak the latest released iOS 6 beta 4 developer version which is compatible with iPhone 4S, iPhone 4, iPhone 3GS, iPad 3, iPad 2, and iPod Touch 4G.
“JB devs can continue using redsn0w 0.9.13dev3 with todays iOS 6 beta4 (keep pointing redsn0w at iOS 6 beta3 IPSW)”
So, you can download RedSn0w 0.9.13dev3 for Windows and Mac to jailbreak iOS 6 beta 4.
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