They did iT!!!! hahahaha... Now we can downgrade it!

Firstly flash this build:
This is version 2.1 rooted easy
When install clockworldmod.
Install nandroid backup -
Wipe it!
Flash fixed SBF -
Wipe it again.
If you wont to another version - do fixed SBF byself - Delete CG39.smg and replace CG31.smg from 4.5.1_128/
That all!

Thanks to __shadow__ Cool dude!