Launch the Settings application, go to Accessibility > Zoom, and make sure that the Low Light option is chosen under Zoom ...

Ambient Light Detection (ECO Sensor): This feature measures the light in the room and adjusts the screen brightness accordingly. Ensure this is turned off if it is causing the dimness [4] [5].

The Apple Watch Ultra display is too difficult to read in low light conditions, report some users, an ambient light sensor issue that is likely linked to Apple's watchOS 10 software update last month.

If you've found that your iPhone 's display can be a little too bright even at its lowest setting, you wouldn't be alone. Whether you're reading in bed or checking it at the theater before the ...