How to Fix OnePlus 13 Display Brightness Problems

If your OnePlus 13 keeps dimming unexpectedly, gets too bright, or refuses to adjust the way it should, the problem can be distracting. It can also make the phone hard to use outdoors or in low light. Brightness issues are usually caused by incorrect settings, software glitches, or sensor interference, and the good news is that they are easy to fix.

Why Your OnePlus 13 Might Have Display Brightness Problems

• Adaptive brightness is miscalibrated or stuck.
• Brightness level is restricted by Power Saving Mode.
• Screen timeout or display settings conflict with brightness behavior.
• Ambient light sensor is being blocked or dirty.
• Software bugs or outdated OxygenOS version.

Recalibrate Adaptive Brightness.

Adaptive brightness uses machine learning to adjust the screen automatically. If it has learned incorrect patterns, the display may dim or brighten at the wrong time. Resetting its behavior helps restore proper brightness control.

1. Open Settings, and then tap Display and brightness.
2. Toggle Adaptive brightness off, and then manually adjust the brightness slider to your preferred level.

Keep using the phone for a day and toggle Adaptive brightness back on so it can relearn your usage pattern.

Turn Off Power Saving Mode.

Power saving features on the OnePlus 13 can limit maximum screen brightness to conserve battery. Disabling these ensures the screen can reach full brightness when needed.

1. Open Settings, and then tap Battery.
2. Tap Power saving mode, and then toggle it off.

After turning it off, check if the display becomes brighter immediately.

Check for Screen Color and Brightness Enhancements.

Features like Video Brightness Boost or Image Enhancement can change overall screen brightness. They may also make brightness behave inconsistently if they conflict with adaptive brightness.

1. Open Settings, and then tap Display and brightness.
2. Tap Screen color mode or any enhancement option, and then turn off brightness-boosting features temporarily.

Lock your phone, unlock it again, and see if brightness stabilizes.

Clean the Ambient Light Sensor.

The OnePlus 13 relies on sensors near the top bezel to detect lighting conditions. Dirt, fingerprints, or a thick screen protector can interfere with proper sensing.

Check the top part of your display and gently wipe it with a clean microfiber cloth. If you use a thick or tinted screen protector, try removing it to test brightness behavior.

Restart Your OnePlus 13.

Temporary software glitches can cause brightness to freeze or react slowly. A quick reboot often clears this.

1. Hold the Power key, and then tap Restart.
2. Wait for the device to reboot fully, and then test the brightness slider again.

If brightness immediately responds after the restart, the issue was likely a minor system glitch.

Update OxygenOS.

Software updates often include display and sensor improvements. Installing them can fix inconsistent brightness performance.

1. Open Settings, and then tap System.
2. Tap System updates, and then check for new updates. Follow the instructions to install if available.

Restart the phone after updating to apply all display-related optimizations.

Reset Display Settings.

If brightness issues persist, resetting display preferences can remove incorrect configurations without deleting personal data.

1. Open Settings, and then tap System.
2. Tap Reset options, and then tap Reset app preferences.

This restores default settings for display behavior and system apps that contribute to brightness control.

Brightness issues on the OnePlus 13 are usually easy to fix once you adjust the right display settings or clear sensor-related interference. With the steps above, you should be able to get back the smooth, responsive brightness control the device is known for.

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