How to change QWERTZ to QWERTY keypad on my BB bold 5?

I bought a pre owned BB bold 5 and later found thay it is a qwertz. I want to change it into qwerty and started searching for it. I found a similar thread but the was bold 4. There, people suggested him to upgrade his firmware with "only English" firmware. As this is my first blackberry and it came with 7.0, so I researched a bit and upgraded it to 7.1 ( found the download link through an Indian site) but still its qwertz. Can somebody please give the link to only English firmware 7.1? Or guide me through some other process?
Qwertz is pissing me off.
Thank u in advance.

http://forums.crackberry.com/blackbe...yboard-726351/ let us know if this helps