Give it a shot, at this point you don't really have anything to lose.
I had allmine up and ready to go a week ago, but didn't release it because I couldn't test it. I thought I had bricked my PE by messing with the bootloader and recovery partition. Retrying the dingo downgrade over and over again did the trick. Also, use a USB stick rather than a microSD. It seems to like it better.
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