The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →On a supported Samsung Galaxy device, open Settings > Advanced features > Side button (called Side Key on some devices). Choose Double press or Long press, then select an action offered by your device. Labels, defaults, and available actions vary by model, region, carrier, and software version.
Change what the Side button does
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Open Settings.
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Tap Advanced features.
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Tap Side button or Side Key.
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To set a shortcut, tap Double press. If the setting is off, turn it on, then select an available app or feature. For some apps, tapping a settings or gear icon reveals a more specific in-app action.
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Return to the Side button screen and tap Long press to choose an available assistant or power-related action.
Samsung’s Australian instructions cover phones and tablets and label the tablet setting Side button; the guide is specifically for Australian variants. Samsung Australia’s Side button instructions were updated August 18, 2026. Use the labels shown on your own device if they differ.
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Choose a double-press shortcut
Double press is a quick way to open an app or feature. Options documented by Samsung Canada include Camera, Samsung Wallet, Flashlight, Magnifier, Voice Recorder, Samsung Notes, Samsung Capture, Modes and Routines, and installed apps. Some supported apps provide a particular in-app shortcut. Not every option is available on every Galaxy: the list can depend on region, software version, and carrier. Samsung Canada’s guide to Side button features was updated August 19, 2025.
Set the long-press action—and keep a way to power off
The long-press default is not universal. Samsung Canada describes Gemini as the default on its documented newer setup, or Google Assistant where Gemini is unavailable. Samsung Gulf explains that One UI 7 defaults long press to Gemini and shows how to select Bixby instead. Other devices or regional configurations may offer Bixby or the power-off menu. Check the choices shown on your phone rather than assuming a particular assistant is the default.
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If you set long press to an assistant, that gesture may stop opening the power-off menu. Depending on your model, Samsung documents these alternatives:
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Press and hold the Side button and Volume Down together.
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Open Quick settings and tap the power icon.
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On supported devices, ask Bixby to turn off the device.
Samsung describes the button combination and Quick settings route for many newer devices; exact behavior varies by model. See Samsung US instructions for powering a Galaxy phone or tablet on or off and Samsung Canada’s Side button guide.
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If the Side button setting is missing or different
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Search Settings for Side button or Side Key.
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Check Settings > Advanced features for the matching option if search does not find it.
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Confirm your device model and software version, then use Samsung support for your country. Samsung notes that menus and features vary by model and operating system version; its regional pages may describe different configurations. Samsung US guidance on customizing the side button or Bixby button explains this variation.
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Samsung’s One UI 7 guidance on choosing Bixby for a long press applies to that software generation, not necessarily to earlier versions or every region: Samsung Gulf: Gemini and Bixby on the Side button in One UI 7.
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