How to change brightness on Android phone, iPhone, and iPad

There are several reasons to change the brightness on your smartphone or tablet including eye strain reduction and prolonging battery life. To adjust the brightness of your Android phone or tablet, iPhone, or iPad, follow the instructions below.

Adjust brightness on Android device

1. On an unlocked device, swipe your finger down from the top of the screen twice.
2. Press and hold your finger on the brightness slider (shown below) and drag left or right to adjust the brightness.

Adjust brightness on iPhone and iPad

1. On the top-right of an unlocked iPhone or iPad screen near the Wi-Fi symbol, swipe down with your finger.
2. In the menu, press and hold on the white part of the brightness icon (shown below) and drag up or down to adjust the brightness.

If you cannot access the above screen, the brightness settings are also found under the Display & Brightness in Settings.