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To change the double-click power button action on a supported Samsung Galaxy, open Settings > Advanced features > Side button > Double press, then choose an app or feature. Samsung’s current menu calls the power button the Side button; older devices and guides may call it the Side key.
Change the double-press action
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Open Settings.
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Tap Advanced features.
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Tap Side button.
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Tap Double press.
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Select the app or feature you want to launch. If the app has a gear icon, tap it to choose from supported actions within that app.
Samsung’s current UK guide says Camera is the default double-press action on the devices it covers. Its examples of alternative assignments include Samsung Wallet, Flashlight, Magnifier, Voice Recorder, Samsung Notes, Samsung Capture, and Modes and Routines. Depending on the app, a gear icon may offer a more specific shortcut, such as opening the selfie camera, starting a voice recording, recording a voice note, selecting AI Select, or opening Sleep mode. The choices you see depend on your device and installed software. Samsung’s Side button guide, updated 19 August 2025, gives its current instructions and examples.
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If your settings use different labels
Samsung’s terminology and menu paths differ across devices and software versions. Search Settings for Side button or Side key if you cannot find the option at the path above.
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Older Side key menus
An older Samsung guide describes the path as Settings > Advanced features > Side key > Double press > Quick launch camera. Another older guide lists Open Bixby and Open app as double-press choices. Those labels document older menus; use the options shown on your own phone. Samsung’s Camera guide covers Quick launch camera, while Samsung’s Side Key guide was updated 14 April 2021.
Phones with a separate Power key
Samsung’s older Camera guide gives a different route for models with a separate Power key: open the Camera app’s settings to find Quick Launch. That path is not the same as the Side key shortcut, so check which button and menu your particular model uses.
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What else the Side button controls
On the current devices covered by Samsung’s guide, a single press wakes or locks the screen, and holding the button launches Gemini. Defaults can vary. Holding the Side button and Volume Down can open power-off or Emergency SOS functions on covered devices; these are separate from the double-press assignment.
Why your available choices may differ
Samsung cautions that screens and available options can vary by model, software version, region, and carrier. The cited guides do not establish one universal list of double-press actions or a single path that applies to every Galaxy phone and tablet. Your device’s Settings menu is the practical reference for the options it supports.
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