Traditional Culture Encyclopedia - Photography major - Why does my Apple phone take pictures much darker than others?

Why does my Apple phone take pictures much darker than others?

1. The light is not good. Try it in a brighter place or turn on the flash.

2, the camera is dirty or foggy, please wipe it

3, the phone case is not good, which blocks the light, or the phone film blocks the light of the camera. Take off the phone case and try again.

or other ...