In this article, we'll explain how to prevent your iPhone's screen from dimming automatically, as well as how to disable Auto-Brightness and the Night Shift feature.

If you want to prevent your iPhone from dimming on its own and want full manual control over the screen brightness, the first step is to turn off Auto-Brightness. This will prevent your iPhone from automatically adjusting the screen brightness based on the ambient lighting conditions. If you want full control, you should also turn off the Night Shift feature.

Here's how to turn off Auto-Brightness on an iPhone:

Tap and drag to scroll through the list of settings.