nokia 520 shell problem

hey guys,i love swappable shells but i got a problem,sometimes after i place again the shell to clean my phone,camera button is bugged and i cannot use it...

Oh yes, i got that issue too, on my 520. if you want to put back your shell again into the phone, you have to make the shell fit on right side first (camera button), then press the left side to close completely. Its only a little mistake replacing shell.

thanks a lot,i see many people here got lumia 520,no wonder why;)

I found that holding the phone with the buttons down, while putting on the shell, aligns the buttons better.

I don't open up the back much, but fortunately, the aftermarket shell I purchased seems to line up well without any issues.