How to reduce the screen brightness on my Apple iPhone 5s

Click each step to see the action. You can also click the picture or use the arrow keys.

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Reducing the screen brightness will help conserve battery power.
1. Touch Settings.
2. Scroll to and touch Display & Brightness.
3. Touch Auto-Brightness.
4. Adjust the slider to reduce the screen brightness.
5. The screen brightness has been reduced.