April 20, 2024

Have you ever experienced the frustration of your iPhone screen brightness constantly changing on its own? It can be annoying and disruptive, but there are ways to fix this issue.

Recently, Fortect has become increasingly popular as a reliable and efficient way to address a wide range of PC issues. It's particularly favored for its user-friendly approach to diagnosing and fixing problems that can hinder a computer's performance, from system errors and malware to registry issues.

  1. Download and Install: Download Fortect from its official website by clicking here, and install it on your PC.
  2. Run a Scan and Review Results: Launch Fortect, conduct a system scan to identify issues, and review the scan results which detail the problems affecting your PC's performance.
  3. Repair and Optimize: Use Fortect's repair feature to fix the identified issues. For comprehensive repair options, consider subscribing to a premium plan. After repairing, the tool also aids in optimizing your PC for improved performance.

Turning Off Auto-Brightness

To turn off auto-brightness on your iPhone, follow these simple steps:

1. Go to Settings on your iPhone by tapping on the gear icon on your home screen.

2. Scroll down and tap on Display & Brightness.

3. Toggle off the Auto-Brightness option. This will prevent your iPhone from automatically adjusting the screen brightness based on the lighting conditions around you.

By turning off auto-brightness, you can manually adjust the brightness of your iPhone screen to your preferred level at all times. This can be especially helpful if you find that the screen brightness keeps changing unexpectedly, causing frustration or discomfort.

See also  Why Does My Screen Go Black and How to Fix It

Disabling Night Shift

To disable Night Shift on your iPhone and stop the screen brightness from changing, follow these simple steps:

1. Go to your iPhone’s Settings.
2. Tap on Display & Brightness.
3. Select Night Shift.
4. Toggle the Scheduled switch to off.
5. Adjust the Color Temperature slider to your preferred setting.
6. To completely disable Night Shift, toggle the Manually Enable Until Tomorrow switch to off.

Manually Adjusting Screen Brightness

To manually adjust the screen brightness on your iPhone, simply swipe down from the top-right corner of the screen to bring up the Control Center. Look for the brightness slider, which is represented by a sun icon. Drag the slider up or down to adjust the brightness to your desired level.

If you find that your iPhone screen brightness keeps changing on its own, it may be due to the Auto-Brightness feature. To disable this feature, go to Settings > Accessibility > Display & Text Size and toggle off the Auto-Brightness option.

Another reason for the screen brightness fluctuating could be the True Tone feature. To turn this off, go to Settings > Display & Brightness and toggle off the True Tone option.

If you want to manually adjust the screen brightness based on the time of day, you can enable Night Shift. This feature reduces the amount of blue light emitted by your screen during the evening hours, which can help reduce eye strain and improve sleep quality. To enable Night Shift, go to Settings > Display & Brightness > Night Shift and adjust the schedule to your liking.

See also  Troubleshoot HP Laptop Touchpad Not Working

For those who prefer a darker screen, you can enable Dark Mode on your iPhone. This feature changes the color scheme of your device to darker tones, which can be easier on the eyes in low-light environments. To turn on Dark Mode, go to Settings > Display & Brightness and select Dark.

By manually adjusting the screen brightness on your iPhone and customizing settings like Auto-Brightness, True Tone, Night Shift, and Dark Mode, you can ensure that your screen stays at the optimal brightness level for your needs.

Troubleshooting Dimming Issues with Auto-Brightness Disabled

  • Adjust Brightness Manually:
    • Swipe up from the bottom of the screen to open the Control Center.
    • Drag the brightness slider to adjust the screen brightness to your preference.
  • Check for Software Updates:
    • Go to Settings > General > Software Update to check for any available updates.
    • If updates are available, download and install them to see if it resolves the dimming issue.
  • Reset Display Settings:
    • Go to Settings > General > Reset.
    • Select “Reset All Settings” and enter your passcode if prompted.
    • This will reset all display settings to default, which may help fix the dimming issue.
  • Restart Your iPhone:
    • Press and hold the Power button until you see the slider to power off.
    • Slide to power off, wait a few seconds, then press and hold the Power button again to restart your iPhone.


Why does my phone screen keep dimming with auto-brightness off?

Your phone screen may keep dimming even with auto-brightness off because your device may be overheating, causing it to automatically adjust the display intensity for protection.

See also  Troubleshooting No HDMI Signal from PC to Monitor

Why does the brightness on my phone change by itself?

The brightness on your phone changes by itself because of the auto-brightness feature, which adjusts the brightness level based on changing light conditions. To turn this feature on or off, go to the Settings app and tap on Accessibility.

Why does my phone brightness keep going down even though it’s all the way up?

Your phone brightness keeps going down even though it’s all the way up because the proximity sensor may be blocked by a case or cover on your screen. Try deactivating the Adaptive brightness feature to control the screen brightness yourself.

Why does the full brightness on my phone go down by itself?

The full brightness on your phone goes down by itself due to the auto-brightness feature, which adjusts the screen brightness based on ambient light levels to save power. You can disable this feature in your phone’s settings.

Was this article helpful?