Battery & Power

How to Reduce Display Brightness on iPhone & iPad

Lower brightness to save battery and reduce eye strain on your iPhone or iPad.

⏱️ 30 seconds 📊 Easy
Open Settings →

Or follow the steps below manually

Save up to 30% battery life by optimizing your display brightness settings.

Why This Matters

The display is the biggest battery drain on your device. Reducing brightness can:

  • Extend battery life significantly
  • Reduce eye strain in low light
  • Make outdoor viewing better (with True Tone)
  • Improve sleep quality (with Night Shift)

Battery savings: 20-30% with proper brightness management

Quick Brightness Adjustment

Control Center Method (Fastest)

1. Open Control Center

  • iPhone with Face ID: Swipe down from top-right corner
  • iPhone with Home button: Swipe up from bottom
  • iPad: Swipe down from top-right corner

2. Adjust Brightness Slider

Drag the brightness slider (sun icon) up or down.

Done! Brightness adjusted instantly.

Advanced Display Settings

Let your device automatically adjust brightness based on lighting conditions.

1. Open Settings

Tap Settings on your home screen.

2. Go to Accessibility

Tap Accessibility.

3. Tap Display & Text Size

Tap Display & Text Size.

4. Enable Auto-Brightness

Scroll down and toggle on Auto-Brightness.

Done! Your device will now adjust brightness automatically.

Enable True Tone

Adjusts colors based on ambient light for better viewing comfort.

1. Open Settings

Tap Settings > Display & Brightness.

2. Enable True Tone

Toggle on True Tone.

Enable Night Shift

Reduces blue light at night for better sleep.

1. Open Settings

Tap Settings > Display & Brightness.

2. Tap Night Shift

Tap Night Shift.

3. Schedule Night Shift

  • Toggle on Scheduled
  • Choose Sunset to Sunrise or Custom Schedule

Optimal Brightness Levels

Indoors:

  • Recommended: 30-50% brightness
  • Battery-saving: 20-30% brightness

Outdoors:

  • Sunny day: 80-100% brightness
  • Shade: 50-70% brightness

At night:

  • Recommended: 10-30% brightness
  • With Night Shift: Even lower

Battery Impact

Display brightness impact on battery:

  • 100% brightness: Drains battery 30-40% faster
  • 50% brightness: Balanced (recommended)
  • 25% brightness: Saves 20-30% battery

Eye Comfort Tips

Reduce eye strain:

  1. Use Auto-Brightness
  2. Enable True Tone
  3. Enable Night Shift after sunset
  4. Avoid max brightness indoors
  5. Take breaks from screen time

Ideal settings:

  • Auto-Brightness: On
  • True Tone: On
  • Night Shift: Scheduled
  • Manual brightness: 30-50% indoors

Dark Mode for Additional Savings

On devices with OLED displays (iPhone X and later):

1. Open Settings

Tap Settings > Display & Brightness.

2. Select Dark

Tap Dark under Appearance.

Additional battery savings: 10-15% on OLED displays

Works on iPhone and iPad

These display settings work on all iPhones and iPads running iOS 7 or later. True Tone requires compatible hardware (iPhone 8 and later, iPad Pro 2017 and later).


Related Guides


Clean Up Duplicate Photos Automatically

After optimizing your settings, use Dedupify to find and remove duplicate photos.

Download Dedupify

Was this guide helpful? Send feedback

Published: January 09, 2026 | Updated: January 09, 2026

Article ID: REDUCE_DISPLAY_BRIGHTNESS | © 2026 Dedupify