you can try putting your phone face down on a flat surface and pushing on the camera lense till you hear the camera snap back onto the board. this temporary fixed my camera on my 920 for a few days, after that I just sent it back for a replacement.
Just be careful not to break the lense or...
you can try putting your phone face down on a flat surface and pushing on the camera lense till you hear the camera snap back onto the board. this temporary fixed my camera for a few days, after that I just sent it back for a replacement.