The iPhone’s computerized dimming characteristic is designed to preserve battery life by lowering the display’s brightness after a interval of inactivity. Whereas this characteristic may be useful in some conditions, it can be irritating if you end up continuously having to regulate the display brightness. Thankfully, there’s a strategy to disable the automated dimming characteristic and hold your iPhone’s display vivid always.
To disable the automated dimming characteristic, go to Settings > Show & Brightness. Below the Brightness part, you will notice a slider that you should use to regulate the display brightness. Under the slider, you will notice an choice labeled “Auto-Brightness.” Faucet the swap subsequent to this feature to show it off.