How to remove a video from the lock screen on Android: all methods

A video on the Android lock screen may appear accidentally - after updating the system, installing a new application or activating a function live wallpaper. Sometimes this is the result of viral activity, and in other cases it is simply an unsuccessful setting of the default wallpaper. Regardless of the reason, constantly flashing video drains the battery, distracts and creates discomfort when using a smartphone.

In this article we will look 5 proven methodshow to remove video from the lock screen on devices running Android 10–14, including proprietary shell One UI (Samsung), MIUI (Xiaomi/Redmi/Poco), ColorOS (Oppo/Realme) and pure Android. From simple settings to radical measures, you will find a solution even for complex cases when the video returns after a reboot or reset.

Why does a video appear on the lock screen?

Before deleting a video, it is important to understand its source. Here are the main reasons:

• 🎥 Live Wallpaper — animation or video installed as a background through standard settings or third-party applications (for example, Zedge, WallpapersCraft).
• 📱 Proprietary functions —on some devices (for example, Samsung Galaxy s One UI) is option Dynamic lock screenthat automatically loads animated wallpaper.
• 🦠 Virus software — malicious applications can replace the lock screen, showing advertisements or arbitrary videos.
• ⚙️ System crash —after updating Android or resetting the settings, sometimes the display parameters are lost.
• 🔄 Synchronization with your account —if you use Google Account or a manufacturer account (for example, Mi Account), wallpaper can be synchronized with the cloud.

If a video appears after installing a new application, first check its permissions in Settings → Applicationsapps with access to Overlay on top of other applications or Device administrator.

Method 1: Change the wallpaper through standard settings

The easiest method is to change the background of the lock screen manually. The instructions are suitable for most devices, but the paths in the menu may differ slightly.

1. Open Settings (gear icon in the application menu).
2. Go to the section Wallpaper and style (or Lock screen, Design —depends on the model).
3. Select Lock screen wallpaper (sometimes option is combined with the main screen).
4. Click Select wallpaper and specify a static image from the gallery or standard themes.
5. Confirm the changes with the button Install or Done.

On devices Samsung the path may look like this: Settings → Wallpaper and style → Lock screen wallpaper → My wallpaper.

If the option Lock screen wallpaper is missing, then the video is set via live wallpaper. Go to the Live wallpaper section and disable the current animation.

Turn off mobile data and Wi-Fi (to avoid automatic downloading of new wallpapers)

Make sure there is a static image in the gallery to replace

Check whether third-party launchers (for example, Nova Launcher)-->

⚠️ Attention: On some devices Xiaomi and Redmi after changing the wallpaper, the video may return after a few hours. This is due to the function Theme of the day V MIUI. To disable it, go to Settings → Theme → Theme settings → Theme of the day and deactivate the option.

Method 2: Disable live wallpapers and animation

If the video appears due to live wallpapers, you need to not only change them, but completely deactivate them. Here's how to do this on different firmware:

Firmware/Brand	Path to settings	Action
One UI (Samsung)	Settings → Wallpaper and style → Live wallpaper	Select No or static theme
MIUI (Xiaomi/Redmi/Poco)	Settings → Wallpaper → Live wallpaper	Click Delete next to the current live wallpaper
ColorOS (Oppo/Realme)	Settings → Personalization → Wallpaper → Live Wallpaper	Select Disable or standard theme
Pure Android (Pixel, Motorola)	Settings → Wallpaper and style → Wallpaper	Switch to the section My photos or Gallery

On some devices, live wallpapers can be linked to system. applications, for example, Google Wallpaper or Galaxy ThemesIf the video returns after disconnecting, try:

• 📵 Remove updates for the application Wallpaper (in Settings → Applications).
• 🔄 Reset application settings Wallpaper to factory settings.
• 🚫 Disable auto-update for the application in Google Play.

Method 3: Remove virus apps

If a video appears on the lock screen independent, is accompanied by ads, or redirects to strange sites, your device could be infected adware (adware virus) or Trojan. Such apps are often disguised as:

• 🎮 One-day games (for example, "Super Duper Game 3D").
• 📱 Memory optimizers or cache cleaners.
• 📺 Applications for watching movies or streaming.
• 💰 Financial utilities (false wallets, loan calculators).

To find and remove malware:

1. Go to Settings → Applications.
2. Sort the list by installation date (⋮ → Sort by → Installation date).
3. Check installed applications before the video appears.
4. Click on the suspicious application and select Delete (if the button is inactive, first click Disable or Uninstall updates).

If you cannot remove the application, it can have rights device administrator. To revoke them:

1. Go to Settings → Security → Device administrators (or Accessibility → Administrators).
2. Uncheck the box next to the suspicious application.
3. Go back to the list of applications and delete it.

⚠️ Attention: Some viruses block access to settings or imitate system windows If after clicking. on Settings you are taken to an advertising site immediately put the phone in safe mode (hold down the power button → Turn off power → hold Turn off until the prompt to switch to safe mode appears). In this mode, viruses do not work, and you can remove them.

How to recognize a virus application?

Virus apps often have:

- A name made up of random letters (for example, "com.abc.xyz123")

- Lack of an icon or a suspicious logo

- Permissions to send SMS, access contacts or overlay on top of other applications

- Reviews on Google Play with complaints about advertising (if the application has not yet been deleted by moderators)

Method 4: Reset the lock screen settings

If the video does not disappear after changing the wallpaper and checking for viruses, try resetting the lock screen settings to factory settings. This does not affect your data. (photos, messages, applications), but will return the standard display settings.

Instructions for most devices:

1. Open Settings → System → Reset settings (or Advanced → Reset settings).
2. Select Reset lock screen settings (on some devices the option is called Reset interface settings).
3. Confirm the action by entering a PIN code or pattern key.
4. After rebooting the device, the video should disappear.

On Samsung the path may differ: Settings → General management → Reset → Reset screen settings blocking.

If this option is not there, try reset application settings:

1. Go to Settings → Applications.
2. Click on ⋮ → Reset application settings.
3. Confirm the reset.

⚠️ Attention: Resetting the lock screen settings will delete all saved fingerprints i face recognitionAfter the procedure, you will have to configure them again.

Method 5: Radical measures (for experienced users)

If none of the above methods help, the video may be “embedded” in system files. In this case, more serious actions will be required. These methods are only suitable for experienced users. users, since incorrect actions can lead to data loss or system damage.

Option 1: Removal via ADB

If the video is set through a system application (for example, com.android.wallpaper), it can be disabled from using Android Debug Bridge (ADB).

Instructions:

1. Enable USB Debugging in Settings → About phone → Build number (press 7 times, then return to Settings → System → For developers).
2. Connect your phone to the PC and install ADB Tools.
3. Open the command line (Windows) or terminal (macOS/Linux) and enter:

adb devices
adb shell pm list packages | grep wallpaper
adb shell pm uninstall -k --user 0 com.android.wallpaper

Replace com.android.wallpaper with the application package responsible for the wallpaper (you can find it out through the command adb shell pm list packages).

Option 2: Manually deleting wallpaper files

The video may be stored in the system folder. To delete it:

1. Use a file manager with access to root folders (for example, Root Explorer or FX File Explorer).
2. Go to /data/system/users/0/ or /data/data/com.android.systemui/.
3. Find files with the extension .mp4, .gif or .webm and delete them.
4. Restart the device.

⚠️ Warning: Deleting system files without root access may lead to failure. If you do not have experience with ADB or root access, it is better to contact a service center.

Option 3: Complete reset

If the video appeared after updating the system and does not disappear, the last option is reset. to factory settingsThis will delete all data from the device, so make a backup copy first.

Instructions:

1. Go to Settings → System → Reset settings.
2. Select Delete all data (reset to factory).
3. Confirm the action and wait for the reboot.

⚠️ Attention: On devices with MIUI after resetting, you may need to bind to Mi AccountMake sure you remember your login and password!

How to prevent the video from appearing again?

To prevent the video from appearing on the lock screen again:

• 🔍 Regularly check the list of installed applications (Settings → Applications → Latest).
• 🚫 Disable automatic installation of wallpaper in Settings → Google → Wallpaper (or a similar section for your brand).
• 🛡️ Install an antivirus (for example Malwarebytes or Bitdefender) and periodically scan the system.
• 🔄 Disable synchronization of wallpaper with your account (Settings → Accounts → Synchronization).
• 📥 Install applications only from Google Play and read reviews before downloading.

On devices Samsung additionally disable Dynamic lock screen: Settings → Wallpaper and style → Dynamic lock screen → Turn off.

On Xiaomi deactivate Theme of the day: Settings → Theme → Theme settings → Theme of the day → Disable.

FAQ: Frequently asked questions

Video appears on the lock screen only when connected to Wi-Fi What. do?

Most likely, the video is downloaded via wallpaper auto update or advertising module. Turn off mobile data and Wi-Fi, change the wallpaper manually (see Method 1), then check if the video is returned. If so, remove suspicious applications (Method 3).

After deleting the video, the lock screen turned black. How to return the wallpaper?

A black screen means the system cannot load the wallpaper. Install them manually via Settings → Wallpaper and style. If the option is not available, reset the lock screen settings (Method 4).

The video returns after restarting the phone. Why?

This is a sign of virus activity or system failure cache. Try:

1. Delete suspicious applications (Method 3).
2. Clear the system launcher cache (Settings → Applications → Launcher → Storage → Clear cache).
3. Reset the lock screen settings (Method 4).

Is it possible to remove a video without resetting the settings?

Yes, in 90% of cases they help Method 1 (changing wallpaper) or Method 3 (removing virus applications). Reset is only needed if the video is embedded in system files or appeared after an unsuccessful update.

On the lock screen there is a video with advertising?

With a high probability - yes. Advertising videos on the lock screen always are associated with malware. Immediately remove suspicious applications (Method 3and scan your device with an antivirus. If the advertisements remain, reset the settings.