So, is it possible to just pry off the faceplate, and backplate of w580i and stick the faceplate and backplate (with buttons and keypads, of course) of an s500i into it?

I took a look at the user manual and the face and backplates are easy enough to take out, but the phoneframe looks like it's a really hard job. I hope you don't have to replace the frame of the w580i just to make the s500i faceplates fit.

Can anyone confirm? Thanks a lot.