au xoom wifi only japan

[ring_GT]

I just got a wifi xoom from au kddi japan, and i want to unlock the bootloader and root it. However AU released the stock 3.1 japanese update today, and I downloaded and installed it.

Question: Do the same rules apply in unlocking and rooting my xoom after installing the stock update?

Did anyone made a video on how to unlock and root a non-us wifi only xoom?

Thanks


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