Camera's pictures quality awful after screen replacement

Hello,

I just replaced my wife screen after drop damage. It's one of the easiest phone to fix and replace. everything went back to normal except the image quality are terrible now for rear camera. I don't know what happened! Color, brightness and glare all weird. I checked the housing plate and the lens from inside everything looks in place even ribbons. All I can see there is not good light controlling.

Front camera is giving me natural colors better than the rear, and even nexus 4 rear camera is much better and I easily can tell the different!!!

Any ideas will help is appreciated,

Thanks,