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Freedom251 › Blog › Android settings

How to Set the Samsung Galaxy Side Button to Open the Camera or Another App

By Freedom251 Team · · 8 min read

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On a supported Samsung Galaxy phone, assign the Side button’s double press to Camera or another available app from Settings > Advanced features > Side button > Double press. Turn the feature on, choose the app, and use two quick presses of the Side button to launch it. Menu names and available choices can differ by Galaxy model, software version, carrier, and region.

What the Side button shortcut does

The shortcut is a double press of the physical Side button. Once enabled, pressing the button twice launches the app or feature you selected instead of requiring you to find its icon on the Home or Apps screen. Camera is a common choice, but Samsung’s current guidance also lists examples such as Samsung Wallet, Flashlight, Magnifier, Voice Recorder, Samsung Notes, Samsung Capture, Modes and Routines, and other installed apps. The list shown on your phone is the authoritative one for your device.

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This setting is separate from a long press. In Samsung’s described software context, a long press launches Gemini, while a double press launches the app or feature assigned under Double press. Long-press behavior is not identical across every Galaxy model or region, so do not change the long-press setting when you only want to configure the double press.

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Before you start

  • Use a Galaxy phone or tablet that includes the Side button customization screen. Samsung does not expose exactly the same controls on every model.
  • Make sure the device is running software that provides Settings > Advanced features > Side button. Samsung says the options can change with the model, software version, carrier, and region.
  • If you want to open a third-party app, install that app first. Only apps or features offered in the Double press list can be assigned.
  • Keep the phone unlocked while you configure it so you can see the complete settings screen. The shortcut itself is a built-in phone setting; no accessory or repair part is required.

Set a double press to open Camera

  1. Open Settings.
  2. Tap Advanced features.
  3. Tap Side button.
  4. Tap Double press. If the switch is off, turn it on.
  5. Select Camera.
  6. If your phone presents a second choice, tap Open Camera. Samsung’s Galaxy A37 5G support instructions include this extra selection after choosing Camera.
  7. Leave Settings and press the Side button twice in quick succession. The Camera app should open.

If you see only one Camera entry and no separate Open Camera screen, select the Camera option that your phone provides. The additional label is model- and software-dependent, not a requirement on every Galaxy device.

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Assign the Side button to another app or feature

  1. Return to Settings > Advanced features > Side button > Double press.
  2. Confirm that Double press is enabled.
  3. Choose the app or feature you want from the displayed list.
  4. If the entry has a gear icon, tap it to inspect any supported in-app action and choose the action you need.
  5. Press the Side button twice to test the assignment.

A gear icon does not mean every app has extra commands. It appears only where Samsung provides a supported action for that entry. For example, the menu may let an app open a particular function rather than merely opening its main screen. The exact actions and app names vary by phone.

Choose between Camera, an app, and an in-app action

Choice What a double press launches When it is useful What can vary
Camera The phone’s camera entry, followed by Open Camera on models that show that step Quick access when you need to take a photo or video The extra Open Camera label and related choices depend on model and software
Another listed app The selected app’s available launch target Useful for a frequently used app that is not convenient to reach from the Home screen Only apps Samsung exposes in the list can be selected
An in-app action A specific function offered through the entry’s gear icon Useful when you need a particular task rather than the app’s general start screen Gear icons and actions are not available for every app

There is no universal “choose any installed app” guarantee. The available list is generated for your Galaxy model, installed software, region, and carrier configuration. If an app does not appear, the Side button menu cannot assign it on that software build.

How to find the setting when the labels differ

Samsung’s menu wording is not guaranteed to match across Galaxy devices. Start by opening Settings and using its search field for Side button. Select the result that leads to the Side button controls, then open Double press. If search does not find it, browse to Advanced features and look for Side button there.

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A Galaxy S23-series manual hosted by Samsung places the Side button options under Settings > Advanced features > Side button. Other models may put the same controls behind slightly different labels or present fewer choices. Do not assume that a menu shown on a different Galaxy model will be present on yours.

Test the shortcut and change it later

Test with two deliberate presses

After saving the choice, leave Settings and press the Side button twice in succession. The first press may wake or lock the screen depending on the phone’s current state; the important test is whether the second press triggers the selected app or feature. If nothing happens, return to the Double press page and verify that its switch is still on.

Switch to a different destination

Changing the destination does not require resetting the phone. Open Settings > Advanced features > Side button > Double press, select another listed option, and test again. Your previous choice is replaced by the new one.

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Turn the shortcut off

To stop accidental launches, open the same Double press screen and switch the feature off. The Side button will continue to perform its ordinary button functions; only the double-press assignment is disabled.

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Troubleshoot a Side button shortcut that does not work

The Double press option is missing

  • Search Settings for Side button rather than browsing by memory.
  • Check Settings > Advanced features for a Side button entry.
  • Confirm that the device is a Galaxy model and software build that supports the customization. Samsung states that options vary by model, software version, carrier, and region.
  • If the menu is still absent, the feature may not be offered on that device or build; do not substitute the long-press control.

The switch is present but the app list is different

Compare the list with the apps actually shown on your phone. Samsung’s examples are not a promise that every Galaxy device will display Camera, Wallet, Flashlight, Magnifier, Voice Recorder, Notes, Capture, Modes and Routines, or third-party apps. A carrier or regional software build can change the list. Select an available option rather than trying to recreate a menu from another model.

Camera appears, but Open Camera does not

On the Galaxy A37 5G support path, selecting Camera is followed by Open Camera. Other models may combine those steps or use different wording. If your phone does not show the second screen, choose the Camera option that is available and test the double press.

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The selected app does not launch after two presses

  1. Open Settings > Advanced features > Side button > Double press and make sure the switch remains enabled.
  2. Check that the intended app or feature is still selected.
  3. Press the button twice in a single, deliberate sequence rather than making two widely separated presses.
  4. If the entry has a gear icon, reopen it and confirm the in-app action.
  5. Try another listed destination. If another option works, the original app or action may not be available in the current software configuration.

The wrong action opens

Return to the Double press page and inspect whether you selected an in-app action through a gear icon instead of the app’s general launch option. Choose the desired entry again, then test from outside Settings. Also verify that you are double-pressing, not holding the button down; a long press is a separate control.

The shortcut changed after a software or carrier update

Updates can change labels, available apps, or the behavior exposed by the Side button screen. Reopen the settings path and review the current selection. If the option is no longer listed, the updated software may not support that destination on your model or in your region.

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Double press versus long press

Gesture Where it is configured Purpose described by Samsung What not to assume
Double press Settings > Advanced features > Side button > Double press Launches a selected app or feature, such as Camera The same app list appears on every Galaxy phone
Long press A separate Side button control Samsung’s current guide describes Gemini launching in its software context That long-press behavior is universal across all models, regions, or versions

When a guide says “press the Side button to open Camera,” the relevant gesture for this customization is normally the double press. Holding the button is not an alternative way to trigger the same assignment.

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What the setting does—and does not do

  • It changes the action associated with the Side button’s double press; it does not create a new app or install anything.
  • It can launch Camera or another choice that Samsung exposes in the menu.
  • Some entries can expose a more specific supported action through a gear icon.
  • It does not guarantee access to every installed app.
  • It does not make the same menu, labels, or long-press behavior appear on every Galaxy model.
  • It does not require buying hardware, replacing the button, or using a repair service.

Quick reference

Goal Path or action
Open Camera with the Side button Settings > Advanced features > Side button > Double press > enable the switch > Camera; choose Open Camera if your model shows it
Open another listed app Settings > Advanced features > Side button > Double press > enable the switch > select the app
Choose a specific app action Select the app entry, then use its gear icon when one is provided
Find the menu when you cannot see it Search Settings for “Side button,” then open the Double press controls
Stop the shortcut Return to Double press and turn the switch off

Frequently asked questions

Can I assign the Side button to any app?

No. You can assign only an app or feature that appears in the Double press list for your device. Samsung’s list varies by model, software version, carrier, and region.

Is this the same as holding the Side button?

No. The Camera or app shortcut uses a double press. Long press is a separate gesture with separate behavior.

Why does one Galaxy phone show more choices than another?

Samsung says supported options vary by device model, region, software version, and carrier. Different menus are therefore expected rather than evidence that the setting is broken.

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Do I need an accessory to use the shortcut?

No. The assignment is a built-in setting in the phone’s software.

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Android settingsCamera shortcutphone tipsSamsung Galaxyside button

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