Iphone Dev team redsn0w IOS 4.2.1 untethered jailbreak!現在公開抓白老鼠測試 redsn0w Bata untethered jailbreak! (use backup plan 4.2b3)如想做白老鼠的話請到 http://blog.iphone-dev.org/redsn0w#idc-cover查看更多內容吧，你是必先要有MAC OSX能做白老鼠
