iPhone 4S_ IOS 5.1

情封意止 | Apple
iPhone 4S_ IOS 5.1
//appldnld.apple.com/iOS5/041-1530.20120307.LDDac/iPhone4,1_5.1_9B179_Restore.ipsw

IOS 5.1無JB工具
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Don’t  Update To iOS 5.1 Today , Dev Team Warns ( Dev Team警告 不要更新到 IOS5.1 )

In all likelihood we’ll see the GM “gold master” version of 5.1 this week. DO NOT UPDATE TO 5.1, because you may lose your jailbreak! The rest of this post details the subtleties with this rule, but if there’s only one message to take home, it’s the overall “do not update” message!