找到下面這段英文
How to root ICS 4.0.4:
We don't know how to reset the counter for this new ICS bootloader so keep that in mind.
1.Copy 'RootRecovery_v4' to the sdcard / external card
2.Boot into CWM recovery & go to Advanced => Unmount system => Mount system.
3. Choose Install zip from sdcard
4. Choose zip from sdcard
5. Select RootRecovery_v4.zip from where you copied it
6. Choose Install RootRecovey_v4.zip
7. Restart phone
Thnx to abrahamyan-ha (XDA member) & lipton_01 (4pda.ru)
Download RootRecovery_v4.zip
然後下載 RootRecovery_v4.zip後照著步驟1-7做就完成root了,百分之百沒問題..
這是你要的 bootloader 2.0,
我試過使用 pda 選項刷就可以降回2.0了，
如果不行的話那我就沒辦法了
附加壓縮檔: bootloader.tar.zip
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