I am having a problem with the CamScanner app on my OnePlus 3. Only two options (8 megapixels and 1 megapixel) are shown in the resolution option. But in my Nexus 5, I got seven options (8M, 7M, 5M, 3M, 2M, 1M and 768K). What could be the problem with the OnePlus 3?