Topic sound confusing?
This is whats up, the unrevoked dev team has been working night and day to bring the HTC Evo The Official "Root" ability to the HTC Evo's that have the Official OTA Android 2.2 Update.
So far they have not had any luck doing so, some of the HTC Evo Owners have grown tired of waiting. Now the wait is over to get "Rooted".
Only thing you have to do though is Downgrade your Stock Android 2.2 OS back to the Android 2.1 OS.
Once you do this you can then Download Unrevoked "Root Kit" to upgrade back to Android 2.2 but now you will be fully "Rooted".
Here is the link to show you how to do so:
http://forum.xda-developers.com/showthread.php?t=765496
It is pretty much step by step. The user who figured this process out put these directions up last night / this morning: 8-26-10 (8am)
He said he will re-write the step by step directions when he wakes up later today to make them clearer for people who may not understand what to do.
I have not done this to my phone. I am not 100% sure yet I am going to, I had planned on just waiting for the Official 2.2 Root from Unrevoked and I may just continue to wait.
If anyone here does try this method out please post back with your results! I would love to know how it went!
Good Luck!