hello Lumia 920 users. recently I had trouble with my 920's screen. I gave it for repair and got the screen replaced. I installed gdr3 soon after. now when I use my camera app (both nokia camera and in built camera) the flash doesn't come on. I tried auto and manual flash. I even tried many of the flashlight apps available in the store. I was wondering if this is a bug in the gdr3 update. if it is then many 920 users should experience the same issues. if not then it is the work of the many incompetent service people nokia care hires. please tell me if u face the same issues cos my warranty will expire on jan 28th 2014.