The basic power-off method

To turn off a Samsung Galaxy phone or tablet, press and hold the Power button (usually on the right side of the device) and the Volume Down button at the same time. Hold both for about 3 seconds until a menu appears on your screen.

On that menu, you will see the option to Power off. Tap it, and your device will shut down completely. The screen will go black, and the device will stop running.

On some older Samsung Galaxy models, you may only need to press and hold the Power button alone. If the menu does not appear after 3 seconds, try holding the buttons longer — up to 10 seconds — or check your device's manual for the exact button combination.

Key Takeaways

  • Press and hold the Power button and Volume Down button together for 3 seconds to bring up the power menu on most Samsung Galaxy devices.
  • Tap "Power off" from the menu that appears to shut down your device completely.
  • On older Samsung models, the Power button alone may be enough to trigger the shutdown menu.
  • If your device is frozen and will not respond to button presses, you can force it to restart by holding the Power and Volume Down buttons for 10 to 20 seconds.

What happens when you power off

When you turn off your Samsung Galaxy, all running apps close, your screen goes dark, and the device enters a low-power state. Your data remains stored on the device — turning it off does not erase anything. The next time you press the Power button, your phone or tablet will boot back up and return to where you left off.

Turning off your device is different from putting it to sleep. Sleep mode (activated by a short press of the Power button) keeps the device ready to wake when ready, while a full power-off takes longer to restart but uses almost no battery.

When to use power off instead of sleep mode

Use power-off when you want to save battery for an extended period — such as before a long flight or when you will not use the device for several days. It also helps when your device is running slowly or an app is misbehaving, because a full shutdown clears temporary files and resets the system.

Sleep mode is better for daily use because you can wake the device when ready with a button press or by lifting it. If you are only stepping away for a few hours, sleep mode is usually the right choice.

Troubleshooting if the power menu does not appear

If you hold the Power and Volume Down buttons and nothing happens, your device may be unresponsive. Try holding both buttons for a full 20 seconds — this will force a restart rather than a graceful shutdown, but it will turn off the device.

If the device still does not respond, the battery may be completely drained. Plug it into a charger for at least 15 minutes, then try the power-off steps again. If it remains unresponsive after charging, the device may have a hardware problem, and you should contact Samsung support or visit a service center.

Restarting instead of powering off

If you want to restart your device (turn it off and back on automatically), use the same button combination but tap Restart instead of Power off. This is useful when an app is crashing or the system feels sluggish.

A restart takes a few minutes but often fixes temporary problems without requiring you to manually turn the device back on. You will see the Samsung logo appear as the device boots up.

Using Samsung's settings menu to power off

You can also power off your device through the Settings app. Open Settings, scroll down to find General or System, then look for Restart and shutdown or Power off. Tap the option, and your device will shut down.

This method is slower than using the physical buttons, but it works if your Power button is damaged or stuck. The button method is usually faster and more reliable.

Frequently Asked Questions

Will turning off my Samsung Galaxy delete my photos or data?

No. Powering off your device does not erase anything. All your photos, messages, apps, and files remain stored on the device and will be there when you turn it back on.

How long does it take to turn off a Samsung Galaxy?

The shutdown process usually takes 5 to 10 seconds from the moment you tap "Power off" until the screen goes completely black. If it takes longer than 30 seconds, the device may be frozen, and you should try a force restart instead.

What is the difference between power off and restart?

Power off shuts down the device completely and leaves it off until you press the Power button again. Restart shuts down the device and automatically turns it back on. Use restart to fix software problems; use power off when you want the device to stay off.

Can I turn off my Samsung Galaxy if it is frozen?

If the device is frozen and the normal power-off method does not work, hold the Power and Volume Down buttons together for 10 to 20 seconds to force a restart. This will shut down the device even if it is not responding to normal commands.

Does turning off my phone save battery?

Yes. A powered-off device uses almost no battery. Sleep mode uses very little battery too, but power-off is better if you will not use the device for several days or longer.