Hello. How to adjust my camera to fit every screen resolution. I’m developing game on 4.8inch device and when I test it on screen with lower size like 4.5inch some of content is not visible. Any fixes for this?
anyone? 
I would suggest you to go and watch this video:
He talks about the resolution for any screen. 
It will be helpfull, i promise.
Just take your time, watch it and listen closely.