How to Turn Off a Samsung Galaxy Phone

Learn how to properly shut down your Samsung Galaxy phone using the Side key, Quick settings, or emergency power-off methods. Includes tips for Galaxy S24, Galaxy Z Fold, and Galaxy A series devices.

If your Samsung Galaxy phone isn't turning off normally, you can use alternative methods such as pressing the Side key, accessing the Quick settings panel, or using a combination of keys for emergency shutdowns. These methods work across most Galaxy devices, including the Galaxy S24, Galaxy Z Fold, and Galaxy A series.

1. How to Turn Off Your Samsung Galaxy Phone Using the Side Key

Most Samsung Galaxy devices, including the Galaxy S25, Galaxy Z Flip, and Galaxy A series, allow you to power off using the Side key:

1. Press and hold the Side key for 2–3 seconds until the power menu appears.
2. Tap Power off to shut down your device.

- If the Side key doesn't respond, ensure it's not stuck or damaged.

2. How to Restart Your Samsung Galaxy Phone

Restarting your phone can resolve temporary software glitches. Follow these steps:

1. Open the power menu by pressing and holding the Side key.
2. Tap Restart to reboot your device.

- Restarting clears cached data and refreshes system performance.

3. How to Customize the Side Key Power-Off Menu

You can configure the Side key to show the power menu automatically:

1. Open Settings on your Samsung Galaxy device.
2. Go to Advanced features → Side key.
3. Select Power off menu under the Press and hold option.

- This setting ensures the power menu appears every time you press and hold the Side key.

4. How to Turn Off Your Phone Without a Dedicated Power Key

If your device lacks a physical power button, use the Quick settings panel:

1. Swipe down from the top of the screen to open the Quick settings panel.
2. Tap the Power icon.
3. Select Power off to shut down your phone.

- This method works on foldable devices like the Galaxy Z Fold and newer Galaxy A models.

5. How to Make an Emergency Call While Your Phone is Off

In emergencies, you can access emergency services even when your phone is powered off:

1. Press and hold the Side key and Volume Down key simultaneously for 3 seconds.
2. Tap Emergency call to contact local emergency services.

- Ensure your medical information is updated in Settings > Users and accounts > Emergency information.

Supported Samsung Galaxy Devices

These methods are compatible with the following devices:

Galaxy S24, Galaxy S25, Galaxy S26, Galaxy Z Fold, Galaxy Z Flip, Galaxy A series (A15, A25, etc.)

Related Samsung Support Topics

- How to troubleshoot unresponsive Side keys on Samsung Galaxy phones

- How to update your Samsung Galaxy device software

- How to access emergency information on Samsung Galaxy devices