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进入 DFU模式:关电源,再开电源的时候同时按住电源和HOME键,10秒后松开电源继续按着HOME,再过10秒。看起来机器是关着的,实际上进入了DFU模式。$ q/ J4 B L; x, Q9 d2 {
把IPHONE与电脑连起来,运行Itune,会提示你恢复iPhone,这个时候按着SHIFT的同时按点一下恢复钮。选择1.02的FW,就可以恢复了。最后会提示出错,不管它。3 o& ~0 ]1 S) i% \
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然后在MACOS系统下运行IPHUC) s+ S3 [6 @, |+ `8 N1 O- p2 E
输入% i2 u9 B1 I0 B4 X$ }" ]
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cmd setenv auto-boot true ( _$ v4 b+ B# P' b0 c7 R' C, R
cmd saveenv
" \( n- {' J4 {- n+ `+ Vcmd fsboot
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OK。 L% P% w% x& P _8 K! c. {
8 Y, x X5 Z# f2 }/ D [size=120%]Downgrade112 5 g; l: m9 R+ }6 n8 r
#How to downgrade from 1.1.2 to 1.0.2.
$ k* ^% o" T: W. MInstructionsGOTO DFU MODE (power+home for 10 seconds then home for 10 seconds) Phonewill remain completely BLACK. If not repeat previous step. 5 B: ?# O1 N6 ?. j" h) G
Then select 1.0.2 firmware for restoring. 8 F% |+ W& d0 ~6 s6 B8 |
At the end you will have an error.
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3 ~: \) v _' N/ z, rNow get IPHUC and issue: - j9 f- z5 Y+ M6 C. l" i
cmd setenv auto-boot true
/ D0 @" c! i: ~ d( }: ^3 j8 D. |cmd saveenv
( i- r9 N0 L9 j* U1 ?cmd fsboot
4 ?* ]6 [7 c/ Y9 GYou just downgraded! " ~- F0 v/ o4 W; a# J
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http://code.google.com/p/iphone-elite/wiki/Downgrade112 |
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