From the article:
Now, that wallet case is pretty much just a 920 snap on cover with the faux leather wallet bit. The wireless charging shells are pretty much just snap on covers. It’s just as easy to exchange the simple snap on cover with the wireless charging shell right? (I think it was something I was contemplating on doing with the 925 too).
These are pretty cheap on eBay. This clipped on much more securely than the 920 case.
Anyway, rip that off and exchange it for the wireless charging shell.
Here's the cheap wallet case with the original plastic retainer ripped off:
And here's the Nokia Qi charging shell glued in place - and still there after three months:
A nice piece of lateral thinking. Conventional wisdom used to be not to store cards with magstrips anywhere near PDAs or smartphones (with electronics, magnets, etc.) but these days most cards get read using their integral chips, so perhaps a risk of magnetic contamination is more bearable/inconsequential?
Anyone else got any interesting stories of Windows Phone accessory modding?