If you're rooted, download a terminal emulator (like Better Terminal), and type the following into it:
Code:
su cat /dev/mtd/mtd0 > /sdcard/misc.img
That will get you into superuser mode and dump mtd0, which is the misc info that can get overwritten, into an img file (misc.img) stored on your SD card. Next time you plug into a computer, copy that misc.img file off and store it somewhere. If you want to look at it, you can examine it with a hex editor, but if you're still booting properly and haven't flashed much, don't worry too much about checking it. Just for your curiosity at that point.
If you later run into the brick issue, put misc.img back on your SD card along with flash_image, which is the script downloaded from the tutorial linked in the first post, and run the following:
This will put you in superuser mode, move the files from SD to the /data folder, allow flash_image to execute (the chmod line), and flash the image stored in misc.img to the misc block.
==================== 附帶報告: 1.依照方法去看,發現我的desire 的INFOCID is HTC__621 INFOsetting->cid::HTC__621跟ICEBOY大大的一樣,所以如果也刷了ICEBOY大大的ROM, 那第二個是ROM版本的號碼,RevolutioN是3.14.405.1,所以,說不定mtd0.img就跟ICEBOY大一樣了? 我不知道檔案內容,但是從XDA down下來的跟我自己複製出來的檔案大小一樣,都是640KB 附檔有需要的可以研究一下。但不保證是不是CID跟ROM版本號一樣就通用喔,我不知道,我是外行。 2.爬文過程發現,有人說HERO機的usb這個問題,好像是因為使用recovery過程中如果覆蓋到mtd0的關係.... To the Hero owner, enabling USB mode doesn't have anything to do with the brick. The brick occurs when the recovery method overwrites mtd0, so it can happen any time you push recovery.