- Notification Panel: Swipe down the notification panel → Tap the Power icon → Power Off
- Press the Power & Volume down buttons simultaneously and tap Power Off.
- Using the Bixby Voice assistant, you can turn off your Galaxy S21 smartphone.
- Bixby Key: Settings → Advanced Features → Side Key → Power Off menu → Long press Bixby key → Turn off.
In the recent smartphone model, Samsung has changed the power-off method on the Galaxy S21. Unfortunately, the traditional way of turning off smartphones can’t be used on Galaxy S21. Therefore, you need to follow other methods to turn off your smartphone.
Ways to Turn Off Galaxy S21
Follow these four different methods to turn off your Samsung Galaxy S21.
- Using notification panel
- Pressing the power & volume down buttons
- Bixby Voice Assistant
- Modify the function of the Bixby Key
Tips! You can perform the troubleshooting methods and fix the Samsung Notes app that is not working on your Samsung smartphone.
Using Notification Panel
 Swipe down the full notification panel. You can find the Power icon at the top.
 Tap the Power icon and choose Power off.
Pressing the Power & Volume Down Buttons
This is the quickest way to turn off your Samsung smartphone.
 First, hold the Power and Volume Down buttons together for a few seconds until you get the Power Menu.
 Tapping on Power Off will turn off your Samsung Galaxy smartphone.
Bixby Voice Assistant
You can use the Bixby voice assistant to turn off your Samsung mobile without the aid of a power key. But, ensure that you have enabled Bixby on your Samsung smartphone.
 On your Samsung S1, press and hold the Side button.
 Sign in to your Samsung account, if required. If you’ve already signed in, ignore it.
 Choose your desired language and tap Start.
 Click OK after reading the Terms.
 After enabling, say “Hey Bixby Turn off the phone,” and it will turn off your phone as requested.
Modify the Function of the Bixby Key
Note: Remapping the side button will disable the Bixby. If you don’t like using the Samsung voice assistant, you can go ahead with this method.
 Go to Settings and tap Advanced Features.
 Tap Side Key.
 Under Press and hold, tap the Power Off menu radio button.
 Long press the side key on Samsung S21 to bring up the power menu.
Tips! It is suggested to set up Samsung Smart TV after purchasing to stream the content without any hassle.
Frequently Asked Questions
Press and hold the Side and Volume down keys simultaneously. When you get the power menu, tap Power off.
Go to Settings → Connections → Mobile networks. Following that, click Network operators and tap Turn off.
Navigate to Settings → select Network & Internet. Select the Advanced Calling switch and turn off the HD calling on your Samsung smartphone