Default Need English ROM for Asus P527 (build 20226)

I'm need English ROM for Asus P527 (build 20226, here lang CHK: http://www.asuspda.net/thread-55962-1-1.html), i'm up ROM WM6.1 (build 19202 http://www.asuspda.net/viewthread.php?tid=43299) my device very slow.

Thank you!
Z ULTRA: GPE
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