Phone "Auto-Brightness" is Too Dark
4.5
The screen keeps dimming too much, making it hard to see even in a bright room.
Symptoms
- Dim screen
- Hard to read
- Frequent adjustments
Possible Causes
- Dirty ambient light sensor
- Software calibration
- Case blocking sensor
Step-by-Step Fix
1
Clean the Top of the Phone
Wipe the area near the earpiece where the light sensor is located.
2
Reset Auto-Brightness
Settings > Accessibility > Display > Toggle Auto-Brightness OFF and ON.
3
Train the Sensor
When it dims too much, manually slide it up. The phone will "learn" your preference over time.
When to See a Technician
Modern phones use machine learning for brightness; if you keep correcting it, it will eventually stop dimming so aggressively.
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