How to Adjust the Color Tone on an iPhone

Written by travis meyer
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Although Apple's iPhone operating system does not include an interface for making specialised adjustments to the device's screen colours, the device does include a way to invert the touchscreen's colour tone. The white-on-black feature on the iPhone is designed to make reading text easier at night and to make reading easier for visually impaired people. The feature does not require you to restart the device.

Skill level:


  1. 1

    Turn on your iPhone and tap Settings on the home screen.

  2. 2

    Tap "General" in the Settings menu.

  3. 3

    Tap "Accessibility" in the General menu.

  4. 4

    Change the toggle switch adjacent to "White on Black" to the "ON" position.

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