if you follow much the same path that Nick suggested, but instead go to Settings > Display > Display Resolution it should show you the options for your screen resolution. As for your photos, take a picture, put it on your computer and check the resolution.

How do you measure mobile screen size?

The screen size is the length of the diagonal of the smartphone , and which can be calculated using the pythagorean formula . so for example if a smartphone has a width of 2.5 inches and a height of 4.4 inches , we can get the screen size in inches of this smartphone by using the pythagorean theorem .

How do you read a screen size?

It is usually quoted as width × height, with the units in pixels: for example, 1024 × 768 means the width is 1024 pixels and the height is 768 pixels.