As we all knew,at present,xkey just with Asian Version.Yet,luckily,the official has released a updated patch for English Version.Now,users can transfer the language version into English One.Following is a guide on how to change xkey language :
1.just download the english patch here : Xkey English Update Patch
2.unzip it to get two files, copy those two files in the root of any USB storage and then connect it to your xk3y remote.
3.then power on xbox ,it will update automaticly, after finish updating, your xk3y is in english version.

It was very easy and you can give it a shot ! Note,it seems that you need use the V1.03 firmware.