y***m 发帖数: 7027 | 2 前面3步都顺利搞定,第4步
4-iTune - Back up you Data (if needed) -> then put iPhone in Recovery Mode (
you
should know how by now, if not use the search button) and Shift/Option,
ClickRES
TORE and Select "iPhone2,1_4.0.1_8A306_Restore.ipsw"
找不到选择 ipsw的地方。。。thx!
Cydia
4
【在 y***m 的大作中提到】 : http://forum.gsmhosting.com/vbb/f456/real-solution-3gs-downgrade-ios-4-02-a-1078 : 191/ : i have see many people asking for Downgrade 3Gs when it already oniOS 4.02. : IF YOU HAVE NOT SAVE YOUR SHSH. : 1- you'll need this TinyUmbrella download here The Firmware Umbrella : 2- Open up Tiny Umbrella -> tick Advanced Option -> Select 3Gs 4.01 -> Cydia : and Click SAve My SHSH : It will give a message say " Successful SAVED " something like this from : memory. : With BOTH Already saved or JUST SAVED USE THIS STEP TO R
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