How to Customize the Side Button on My Samsung Galaxy Device

Learn how to customize the Side Key on Samsung Galaxy devices to power off, launch Bixby, or open apps. Includes steps for Galaxy S24, Z Fold, Z Flip, and A series.

The Side Key on your Samsung Galaxy device combines the Power and Bixby functions into one customizable button. You can personalize it to power off your device, launch Bixby, or open specific apps. Follow these steps to adjust settings on your Galaxy phone or tablet.

1. Why Customize the Side Button?

Customizing the Side Key enhances convenience by allowing quick access to frequently used features. Common configurations include:

- Powering off your device without holding the button for 3 seconds

- Launching Bixby with a single or double press

- Opening apps like Samsung Pay or Camera instantly

2. Supported Samsung Galaxy Devices

The Side Key customization feature is available on most modern Samsung Galaxy devices, including:

- Galaxy S24, S25, S26 series

- Galaxy Z Fold and Z Flip series

- Galaxy A series (A54, A34, etc.)

3. How to Customize the Side Button

1. Open the Settings app on your Samsung Galaxy device.
2. Scroll down and tap on Advanced Features.
3. Select Side Key to access customization options.
4. Choose what happens when you press the Side Key:

   - Single Press: Assign actions like Power Off, Bixby, or Open App

   - Double Press: Set shortcuts for quick access to apps or features

5. Save your changes to apply the new settings.

4. Additional Things to Check

If the Side Key isn't responding as expected, consider these troubleshooting steps:

- Ensure the device is not in Airplane Mode, which disables certain functions

- Restart your device to refresh system settings

- Verify that the assigned app or feature is installed and accessible

5. Related Samsung Support Topics

→ How to Free Storage Space on Samsung Galaxy Devices

→ How to Use Bixby on Samsung Galaxy Phones

→ How to Clear Cache Files on Samsung Galaxy Devices