原來是iOS4 JB, 用ITUNES UPDATE 4.0.1 後一直沒法用JAILBREAKME 方法JB, 只好重灌4.0.1...
之後才可以JB, 但同步ITUNES 後出現
"The iPhone cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavaible...