Symptoms
- Screen doesn't shift warmth under different lighting
- Setting appears on but has no visible effect
- Colors look flat or overly cool/warm at all times
- Feature greyed out or missing from settings
Likely causes
- CommonFeature turned off or a related setting conflicting with itSome display modes or accessibility settings can override or disable automatic color adjustment.
- CommonAmbient light sensor blocked or dirtyThe sensor used to detect lighting conditions can be covered by a case or screen protector.
- PossibleFeature unavailable after a screen replacement with a non-original partSome phones disable this feature if the display was replaced with a non-genuine screen.
- Less commonSoftware bug after an updateAn update can occasionally reset or break this setting temporarily.
What to do
- Confirm the feature is toggled on in display settings.
- Clean the front of the phone near the sensor and remove any case covering it.
- Test the effect by moving between very different lighting, like outdoors and a dim room.
- Restart the phone and recheck the setting.
- If the screen was recently replaced, ask the repair shop whether the part supports this feature.
Tools and parts
- Microfiber cloth
When to call a pro
A repair shop visit is only relevant if a non-original screen replacement disabled the feature and you want it restored with a different part.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.