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Apple iPhone
Adjust Brightness / Display Settings

2026-10-15 04:00:36.011

Apple iPhone
Adjust Brightness / Display Settings

By adjusting screen settings (e.g., light/dark theme, brightness, etc.) on your Apple® iPhone®, you can reduce eye strain, improve visibility and extend battery life.

Before you begin

To automatically shift the colors on your display after dark, refer to Night Shift.

Steps

  1. Open the
    Settings app
    .
  2. Tap
    Display & Brightness
    .
  3. Drag the
    Brightness slider
     left or right to adjust the amount of brightness.
  4. Tap the
    True Tone switch
     to turn on or off.
  5. Tap the
    Back arrow
     then tap
    Appearance
    .
  6. Do any of the following:
    • To adjust appearance:
      1. Tap
        Light
         or
        Dark
        .
      2. Tap the
        Automatic switch
         to turn on or off.
    • To adjust font settings:
      1. Tap
        Text Size
         then adjust the slider as preferred.
      2. Tap the
        Back arrow
        .
      3. Tap the
        Bold Text switch
         to turn on or off.