Can't 3-step root - Help

islandak

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I just got a Thunderbolt from eBay. I got everything up and running so I wanted to root.

I set up 3-step root and got through most of step 1. When the bootloader tries to apply the update it fails. The error reads:
main version older. Update failed.

I've tried looking around in the forum and google. But haven't found the answer. Do I need to sbf to a new version? Am I SOL?

Any suggestions would be great!

EDIT 7/21/2011: This is for anyone who happens upon this thread while searching. I found a lot of dead ends while looking. jcase's updated (as of 5/12/11) root method worked. It's adb/manual. But I got it to work. I knew a little about how to use adb from my Nook. If you don't, you just have to bite the bullet and learn. Link here
 
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