Phone Screen Dimming Automatically Even With Auto-Brightness Off? (Easy Fixes)

Phone Screen Dimming Automatically Even With Auto-Brightness Off? (Easy Fixes)

If your phone screen keeps dimming automatically even though auto-brightness is turned off, the problem is usually caused by overheating, adaptive features, power-saving modes, or display protection settings. This issue happens on Samsung, iPhone, Xiaomi, Redmi, Oppo, Vivo, Pixel, Realme, and OnePlus phones. Here are the best fixes that actually work.

1. Turn Off Adaptive Brightness Completely

Many phones have multiple brightness controllers.

Go to Settings → Display → Disable Adaptive Brightness

2. Check for Overheating

When your phone overheats, the screen dims automatically to cool down.

  • Stop gaming for a few minutes
  • Remove phone case
  • Move to a cooler place

3. Disable Power Saving Mode

Battery saver reduces screen brightness to extend battery life.

Settings → Battery → Turn off Power Saving Mode

4. Turn Off “Protect Battery” or “Thermal Protection” Features

Some phones dim the display to prevent overheating or battery stress.

  • Samsung: Settings → Battery → Protect Battery
  • Other brands: Search “Thermal” or “Battery Protection”

5. Disable “Extra Dim” Feature

Android has an accessibility feature that lowers brightness system-wide.

Settings → Accessibility → Visibility Enhancements → Turn off Extra Dim

6. Check Brightness in Game Mode

Many gaming modes force screen brightness changes.

Open Game Booster/Game Space → Turn off Auto Brightness

7. Turn Off Eye Comfort / Blue Light Filter

Night Mode automatically lowers brightness to reduce eye strain.

Settings → Display → Eye Comfort / Blue Light Filter → Turn Off

8. Reset Display Settings

If a recent update changed brightness behavior, reset display preferences.

Settings → Display → Reset to Default

9. Update Your Phone Software

Manufacturers release fixes for display and brightness bugs.

10. Factory Reset (Last Option)

If none of the above helps, a full reset removes

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