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Digital Edge
Home»Phone Errors»Why Does My Brightness Keep Going Down? – Comprehensive Guide to Fixing Screen Dimming Issues
Phone Errors

Why Does My Brightness Keep Going Down? – Comprehensive Guide to Fixing Screen Dimming Issues

Michael JenningsBy Michael JenningsApr 20, 2023Updated:Apr 20, 2023No Comments4 Mins Read

Contents hide
1. Disable Auto-Brightness and True Tone
2. Adjust the Auto-Lock Timer
3. Turn Off Night Shift Mode
4. Disable Low Power Mode
5. Check the Proximity Sensor
6. Keep Your Device Cool
7. Inspect Adaptive Brightness on Android
8. Update Your Device’s Software
9. Perform a Device Reset
10. Contact Manufacturer Support
Conclusion

1. Disable Auto-Brightness and True Tone

Auto-brightness and True Tone features on smartphones adjust the screen brightness based on the surrounding light conditions. If your screen brightness keeps going down, try turning off these settings.

On an iPhone:

  1. Go to Settings > Display & Brightness.
  2. Toggle off Auto-Brightness.
  3. Toggle off True Tone (if available on your device).

iPhone Display & Brightness settings

On an Android:

  1. Go to Settings > Display.
  2. Tap Adaptive brightness or Auto-brightness (depending on your device).
  3. Toggle off the setting.

Android Display settings

2. Adjust the Auto-Lock Timer

The Auto-Lock feature turns off your screen after a certain period of inactivity. To prevent your screen from dimming too quickly, increase the auto-lock timer.

On an iPhone:

  1. Go to Settings > Display & Brightness.
  2. Tap Auto-Lock.
  3. Select a longer duration.

iPhone Auto-Lock settings

On an Android:

  1. Go to Settings > Display.
  2. Tap Screen timeout or Sleep (depending on your device).
  3. Select a longer duration.

Android Screen timeout settings

3. Turn Off Night Shift Mode

Night Shift Mode adjusts the color temperature of your screen to reduce eye strain in low-light conditions. This may cause the screen to appear dimmer. Disable Night Shift to keep the brightness consistent.

On an iPhone:

  1. Go to Settings > Display & Brightness.
  2. Tap Night Shift.
  3. Toggle off the Scheduled option or manually turn it off.

iPhone Night Shift settings

On an Android:

  1. Go to Settings > Display.
  2. Tap Night Light or Blue light filter (depending on your device).
  3. Toggle off the setting.

Android Night Light settings

4. Disable Low Power Mode

Low Power Mode on iPhones and Power Saving Mode on Android devices can reduce screen brightness to save battery life. Turn off these modes to maintain consistent brightness.

On an iPhone:

  1. Go to Settings > Battery.
  2. Toggle off Low Power Mode.

iPhone Low Power Mode settings

On an Android:

  1. Go to Settings > Battery.
  2. Tap Battery saver or Power saving mode (depending on your device).
  3. Toggle off the setting.

Android Battery saver settings

5. Check the Proximity Sensor

The proximity sensor on your device detects how close your phone is to your face during calls and dims the screen accordingly. If the sensor is malfunctioning or obstructed, it may cause the screen to dim unexpectedly. Clean the area around the sensor and check for any issues.

Proximity sensor location

6. Keep Your Device Cool

Excessive heat can cause your device to dim the screen to protect internal components. Keep your device away from direct sunlight and avoid using it in high-temperature environments.

Smartphone overheating

7. Inspect Adaptive Brightness on Android

If you have an Android device, you can check if the Adaptive Brightness feature is causing the issue. This feature learns your brightness preferences over time and adjusts the screen accordingly. Resetting Adaptive Brightness may help.

  1. Go to Settings > Display.
  2. Tap Adaptive brightness.
  3. Select Reset usage patterns or Reset adaptive brightness (depending on your device).

Android Adaptive brightness settings

8. Update Your Device’s Software

Software updates may include fixes for screen dimming issues. Ensure your device is running the latest version of its operating system.

On an iPhone:

  1. Go to Settings > General.
  2. Tap Software Update and follow the on-screen instructions.

iPhone Software Update settings

On an Android:

  1. Go to Settings > System.
  2. Tap Advanced > System update and follow the on-screen instructions.

Android System update settings

9. Perform a Device Reset

If none of the above solutions work, try resetting your device. This will erase all data and return the device to factory settings, so make sure to back up your data before proceeding.

On an iPhone:

  1. Go to Settings > General > Reset.
  2. Select Erase All Content and Settings and follow the on-screen instructions.

iPhone Reset settings

On an Android:

  1. Go to Settings > System > Advanced.
  2. Tap Reset options > Erase all data (factory reset) and follow the on-screen instructions.

Android Factory reset settings

10. Contact Manufacturer Support

If you’ve tried all the above solutions and your screen brightness still keeps going down, it may be a hardware issue. Contact your device’s manufacturer for further assistance.

For Apple devices, visit the Apple Support website.

For Samsung devices, visit the Samsung Support website.

For other Android devices, visit the manufacturer’s support website or refer to your device’s user manual.

Conclusion

Screen dimming issues can be frustrating, but by following the steps provided in this guide, you should be able to resolve the problem. Remember to start with the most straightforward solutions like adjusting settings and checking for updates before moving on to more advanced troubleshooting techniques. If you’re still experiencing issues, don’t hesitate to reach out to your device’s manufacturer for support.

Michael Jennings

Micheal wrote his first article for Digitaledge.org in 2015 and now calls himself a “tech cupid.” Proud owner of a weird collection of cocktail ingredients and rings, along with a fascination for AI and algorithms. He loves to write about devices that make our life easier and occasionally about movies. “Would love to witness the Zombie Apocalypse before I die.”- Michael

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