Modern smartphones based Android often come with a pre-installed system application for shooting, which does not always satisfy the needs of an advanced user. Many gadget owners prefer to install third-party solutions like Open Camera, Google Camera or proprietary shells from manufacturers that offer advanced functionality. However, the system does not always automatically understand which application you want to use when you double-click the power button or the icon on the lock screen.

The problem arises when several photography apps are installed on the device, and operating system begins to get confused in priorities or imposes an old, inconvenient interface. In such situations, the user needs to manually reconfigure the settings so that when launching the photo function, the selected software opens. This process may vary depending on the version Android and type of installed firmware, but the general algorithm of actions remains similar for most devices.

In this article we will analyze in detail all the possible ways to change the default application, from simple settings in the menu to using special commands through debugging. You will learn how to reset the current bindings if the system “remembered” the wrong choice, and how to make your favorite camera launch instantly without unnecessary confirmation.

Why the system selects the wrong application

The mechanism of operation Android implies that when you first launch a function for which there are several suitable apps, the user is prompted choice. If at this moment you accidentally clicked “Always” instead of “Only once”, the system remembers this decision hard. Subsequently, all requests to open the camera will be redirected to the application that was selected by mistake or has become irrelevant over time.

In addition, some smartphone manufacturers, such as Samsung, Xiaomi or Huawei, are implementing their own add-ons over the standard interface. These shells can ignore standard settings default applications and force the native camera to launch through deep system bindings. This is done so that the user does not leave the brand’s ecosystem, but often causes inconvenience for those who are accustomed to other software.

Another cause of conflicts can be software updates. After installing the new version Android some settings are reset, while others, on the contrary, are blocked by new security rules. In rare cases, the system process cache android.process.media may contain outdated data about user preferences, which requires deeper cleaning than just changing a setting in the menu.

⚠️ Attention: If you are using a smartphone with superuser rights (Root), some system tweaks may forcefully block camera changes. Check the settings of access rights managers, such as Magisk or SuperSU, to see if there are any modules that fix system applications.

📊 Which camera application do you prefer?
Standard from manufacturer
Google Camera (GCam)
Open Camera
ProShot
Other

Resetting application settings to default

The most reliable and universal way to make the system ask you about choosing a camera again is to completely reset all application settings to default. This method does not delete your personal data, photos or contacts, it only clears the memory of which apps were assigned to open links, files and perform actions by default.

To perform this procedure, you must go to the main settings of the device. Navigation may be slightly different, but the logical chain remains the same for most OS versions. You will need to find the section responsible for managing the installed software and execute the reset preferences command. After this, the next time you call the camera, the system will display a standard dialog box with a question.

After resetting, carefully select the desired application and click the “Always” button. Be careful at this point: if you click "Only once" again, the question will appear every time you run it, which can be annoying. Make sure that the selected application is actually installed and works correctly before confirming the action.

☑️ Resetting algorithm

Done: 0 / 4

Here is an approximate path for clean Android and many shells:

Settings → Applications → Menu (three dots) → Reset settings applications

On devices Samsung the path may look different:

Settings → Applications → Three dots at the top → Default applications → Reset

Manual change through the settings menu

In some versions of the operating system, especially in new releases Android 12, 13 i 14, it became possible to manually assign a specific application for specific actions without completely resetting all settings. This is a more subtle tool that allows you to change only the camera without affecting the browser or player.

To use this function, you need to find the “Default Applications” section in the settings. There may be a separate item “Camera” or “Photos and Videos”. If such an item is present, simply click on it and select the desired application from the list. The system will instantly apply the changes, and the old software will no longer launch automatically.

However, it is worth considering that manufacturers often hide these settings deep in the menu or remove them altogether. For example, in the shell MIUI from Xiaomi this item may be located in the “Applications” section, and not in the general system settings. If you do not find the required switch, most likely your firmware does not support direct assignment for this category of actions.

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If the “Camera” item is not in the list of applications by default, try installing a third-party launcher or activity manager that can intercept this request and redirect it to the desired software.

Clearing data of a specific application

If a global reset did not help or you do not want to reset preferences for all apps at once, you can try to “forget” the system selection for a specific application. The method is to clear the data and cache of the application that is currently opened by default, but which you want to replace.

Go to the application settings, find the current camera in the list (for example, standard camera Samsung or Xiaomi). Go to the "Memory" or "Storage" section of this application and click the "Clear data" and "Clear cache" button. This action will return the app to a "clean install" state and, more importantly, remove the record of it being the default app for the capture action.

After clearing the data, the next time you try to take a photo (for example, through WhatsApp or the lock button), the system will again ask you how to open the camera. At this point, select your alternative application and confirm your choice forever. This method is especially effective when the standard camera glitches or freezes, and you need to force a switch to another.

Action Impact on data Efficiency Complexity
Reset all settings Does not affect photos/contacts High Low
Clear application data Resets the settings of the camera itself Medium Low
Removing updates Returns the factory version Low Medium
Using ADB Does not affect data Maximum High

Advanced method via ADB

For users who are not afraid to work with a computer and command line, there is the most powerful management tool Android —USB debugging (ADB). This method allows you to force the default application even in cases where the system interface does not provide such an option or hides the necessary menu items.

First you need to activate the developer mode on your smartphone. To do this, go to Settings → About phone and quickly click 7 times on the “Build number” item. Then in the “For Developers” menu that appears, turn on the “USB Debugging” toggle switch. Connect the phone to the PC and make sure that the computer sees the device.

To find out the exact package name of the desired application, you can use the command adb shell pm list packages | grep camera. Find your desired camera package in the list (for example com.google.android.GoogleCamera). Then use the command to set preferences. The syntax may vary depending on the version of Android, but the following method via an activity often works:

adb shell pm set-home-activity --user 0 com.package.name.ClassName

In newer versions of Android, preferences are managed through a command cmd appops or specific flags pm. If standard methods do not work, you can try deleting the current default application for the category android.intent.action.IMAGE_CAPTUREto reset the binding:

adb shell pm clear-com defaults
Risks of using ADB

Incorrectly entering commands through ADB can lead to your camera or other system functions not opening at all. Always check package names and use commands with caution. Before the experiment, make a backup copy of important data.

Features of different manufacturers

Each major smartphone manufacturer makes its own adjustments to the operating logic operating system. Understanding these features will help you quickly find the right setting and avoid common mistakes. Interfaces One UI, MIUI, ColorOS and EMUI have unique menu structures.

On smartphones Samsung with a shell One UI there is often a situation when a third-party camera cannot access hardware functions without special permissions. Go to your apps settings, find your camera and check the Permissions section. Also, some models have a “Camera Mode” function, which blocks third-party software for security purposes.

Devices Xiaomi and Redmi with a shell MIUI are known for their aggressive memory optimization. The system can automatically close a third-party camera, considering it a background process, and open the standard one the next time it starts. To avoid this, you need to go to the battery settings, find the camera application and set the “No restrictions” mode.

Smartphones Pixel and devices with clean Android usually follow standard guidelines Google. Here, changing the default camera works most predictably through the Default Applications menu. However, if you installed custom firmware (for example LineageOS), the logic may change depending on the settings of the firmware builder.

⚠️ Attention: Settings interfaces and menu item names may change with each firmware update. If you do not find the described items, use the search inside the phone settings by entering the word “default” or “camera.”

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The main difficulty when changing the camera on Xiaomi and Samsung smartphones is not in choosing an application, but in setting access rights and working in the background so that the system does not close third-party software.

Common problems and their solutions

Even after correct configuration, users may encounter that the camera does not launch from the lock button or widget. This is often due to the fact that the shortcuts on the lock screen are strictly tied to the system application at the firmware level and cannot be changed through standard settings.

In this case, the solution may be to use third-party launchers or applications for reassigning buttons (for example, Button Mapper). These utilities allow you to assign the launch of any application to double-pressing the power button or volume button, bypassing system restrictions on the lock screen.

Another common problem is a black screen when launching a third-party camera. This indicates a driver conflict or lack of support for specific hardware functions (for example, a telephoto lens) in third-party software. Try updating the camera application to the latest version or installing a modified version GCamadapted specifically to your processor model.

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If the camera opens, but pictures are saved to the gallery with a delay, check your storage permissions. In new versions of Android, access to the file system has become more restrictive, and the application may hang, asking for permissions.

Why does the phone open the old camera again after resetting the settings?

This can happen if there are several user profiles left in the system or if the application was pre-installed as a system one and has signature priority. Try disabling (freezing) the system camera through the app settings, if possible, to leave only one option active.

Is it possible to set the default camera for a specific messenger?

Yes, in the settings of each messenger (Telegram, WhatsApp, Viber) there is usually its own “Data and Memory” or “Chats” section, where you can select the application for shooting. These settings are independent of the system-wide default camera.

Is it safe to use apps to remap buttons?

Yes, most of these apps from the official store Google Play are safe. However, they require special permissions through ADB or accessibility services to intercept clicks. Download them only from trusted sources.

What to do if the “Always” button is inactive when selecting a camera?

This means that the selected application does not correctly register itself in the system as an action handler IMAGE_CAPTURE. Try reinstalling the application or choosing another app that is fully compatible with your version of Android.

Does changing the camera affect the quality of the photo?

The very fact of changing the application does not affect the matrix, but different processing algorithms (HDR, noise reduction) give different results. Third-party applications often give more control, but can work slower than standard ones due to the lack of deep integration with drivers.