Nowadays Most Of The Mobiles Have Amazing Cameras. I Would Be Talking About Most Of the Android Smartphones. From the Flagship Phones to The Mid-Ranged Ones. Now Here is The Simple Reason Why Your Device Doesn't Have an Manual Camera Setting :- Google Released an API(Application Program Interface) With The Update of Android Lollipop 5.0 It was Named as API2.0 So what It Basically Did was, it enabled Manual Focus, Manual Exposure, Manual ISO, Manual White Balance, Etc. Now Still in 2017,Some Devices Yet Don't Support Manual Camera Settings Because of Some Camera Laginess. For Example : Redmi Note 4 Does Support an Extra Manual Focusing and Exposure Settings But They choose Not to enable it Because it would Make The Picture Look More Compressed and All quality of the Image would be blown out. So even if the Manufacturer tried to Provide With a Manual Mode on Camera, your images will look more pixelated. Now its Afterall That the Camera Hardware and Sensor...