The Samsung Galaxy tablet power button sits on the top-right edge or acts as the Side Key; use it to wake the screen, power down, or force a restart.
Finding the power button on a new Samsung Galaxy tablet sounds simple, but recent design changes have made it tricky. Older models featured a dedicated button solely for power. Newer devices, like the Tab S9 and S8 series, combine this function with the “Side Key” and often a fingerprint scanner.
This shift causes confusion. Pressing the button might launch Bixby instead of the power menu. If your screen is frozen or the physical button stops working, you need specific workarounds to control the device.
This guide clarifies where the button is, how to change its settings, and what to do if it breaks.
Locating The Power Button On Your Model
Samsung places the power button in slightly different spots depending on the tablet generation and series. Identifying your specific layout helps you avoid pressing the volume keys by mistake.
Tab S Series (S7, S8, S9, and FE Models)
On these premium models, the power button sits on the top edge (when held in landscape mode) or the right side (in portrait mode). It is usually the smaller button located next to the longer volume rocker.
- Look for the scanner: On models like the Tab S9 FE or Tab S8, this button is flat or slightly recessed because it doubles as a fingerprint scanner.
- Check the texture: It often feels different from the volume keys, allowing you to find it without looking.
Tab A Series (A7, A8, A9)
The Galaxy Tab A series generally keeps the traditional button layout. You will find the power button on the right-hand side, just below the volume keys.
These buttons are usually raised and tactile. Since these models rarely include biometric scanners in the power key, the button looks identical to the volume rocker but is shorter.
Understanding The Side Key Vs. Power Button
If you press and hold the power button on a modern Samsung tablet, Bixby often pops up instead of the “Power Off” menu. This happens because Samsung rebranded this input as the “Side Key.”
Default behavior:
- Single press: Wakes or locks the screen.
- Press and hold: Wakes up Bixby voice assistant.
- Double press: Launches the Camera app.
Many users find this frustrating when they simply want to turn off their tablet. Fortunately, you can change this setting in the software without needing any technical skills.
How To Remap The Side Key To Power Off
You can revert the Side Key behavior so it acts like a traditional power button. This disables Bixby on the long-press action and brings back the shutdown menu.
Steps to change settings:
- Swipe down — Pull down the notification panel from the top of the screen to reveal the Quick Settings.
- Tap the icon — Look for the visible “Power” icon (usually near the top right) and tap it.
- Select settings — At the bottom of the power menu screen, tap Side key settings.
- Change “Press and hold” — Switch the selection from “Wake Bixby” to Power off menu.
Once you make this switch, holding the side button will immediately show the “Power Off” and “Restart” options. You can read more about customizing these keys on the official Samsung Side Key support page.
Turning The Tablet On Or Off Without The Button
Physical buttons can wear out or become unresponsive. If your power key is broken or you prefer using the touchscreen, Samsung One UI provides software-based alternatives to control power.
Using The Quick Panel
The easiest way to shut down a Galaxy tablet without touching the side of the device is through the software menu.
- Swipe down twice: Access the full Quick Panel menu.
- Tap the Power icon: It sits next to the Search and Settings (gear) icons at the top right.
- Choose your action: Select Power off or Restart from the floating menu.
Using Bixby Voice Commands
If you have not disabled Bixby, the voice assistant can manage power functions for you. This is helpful if your hands are full or the screen is difficult to reach.
Voice method:
- Activate Bixby: Say “Hi Bixby” (if voice wake-up is on) or long-press the Side Key.
- Give the command: Say “Turn off my tablet” or “Restart device.”
- Confirm: Tap the confirmation button on the screen to execute the command.
Force Restarting A Frozen Samsung Tablet
Sometimes the screen becomes unresponsive, and the touch commands stop working. In this state, a standard restart won’t work because you cannot tap “Power Off” on the display.
You must perform a “Forced Restart.” This simulates a battery pull and forces the hardware to reboot.
Forced restart combination:
- Locate keys: Find both the Power button (Side Key) and the Volume Down button.
- Press and hold: Hold both buttons simultaneously for 7 to 15 seconds.
- Wait for logo: The screen will go black, and the Samsung Galaxy logo will appear. Release the keys immediately.
This process does not delete any data; it simply clears the temporary memory and reboots the operating system.
Samsung Galaxy Tablet Power Button Guide To Common Fixes
A physically broken or stuck power button creates a major usability issue. Before paying for a repair, try these accessibility features to bypass the hardware entirely.
Enable Double Tap to Wake:
This setting allows you to turn the screen on and off by tapping the glass, saving wear and tear on the physical button.
- Open Settings — Go to the main settings menu.
- Find features — Scroll down and tap Advanced features.
- Select Motion — Tap on Motions and gestures.
- Toggle switches — Turn on Double tap to turn on screen and Double tap to turn off screen.
Now, you can wake the tablet by tapping the dark screen twice. To lock it, tap an empty space on your Home screen twice.
Using The Assistant Menu
The Assistant Menu adds a floating button to your screen that replicates hardware keys. It is a powerful tool for users with motor control issues or broken buttons.
Setup instructions:
- Navigate to Access: Go to Settings > Accessibility.
- Select Interaction: Tap Interaction and dexterity.
- Enable menu: Toggle the switch for Assistant menu.
A small floating circle will appear. Tapping this circle opens options like “Screen off,” “Volume,” and “Power menu,” giving you full control without touching the edge of the tablet. For deeper details on accessibility shortcuts, check the Android Accessibility Help guide.
Troubleshooting A Stuck Power Button
Debris, sticky cases, or physical damage can cause the power button to feel mushy or get stuck inside the chassis. A stuck button might cause the tablet to boot loop (restart constantly).
Quick checks:
- Remove the case: Many third-party cases do not align perfectly. Take the case off to see if the button clicks normally.
- Clean the edges: Use a soft brush or compressed air around the button gap to dislodge crumbs or lint.
- Check for dents: If the metal frame is bent near the button due to a drop, it may pinch the key. This usually requires professional repair.
Managing Biometric Security
On the Tab S7, S8, and S9 (standard and FE models), the power button houses the fingerprint sensor. If the button works for clicking but fails to read your print, the issue is usually the surface cleanliness.
Scanner tips:
- Wipe it down: Oils from your finger can create a film on the narrow sensor. Clean it with a microfiber cloth.
- Register again: Delete old fingerprints and re-register the same finger twice. This improves accuracy and speed.
- Check case clearance: Thick cases can prevent your finger from making full contact with the sensor strip.
Summary Of Power Button Functions
Mastering the power button on your Galaxy Tablet improves your daily experience. Whether you rename it the Side Key or stick to the classic power menu, knowing the shortcuts saves time.
Remember that software options like the Quick Panel and Assistant Menu are valid backups if the hardware fails. Keeping the button clean and mapping the “Press and Hold” function to your preference ensures the tablet works exactly how you expect it to.