Screen Off and Lock4.4.3
Publisher Description
Screen Off and Lock -
The app off and locks the screen
Function:
Turn off and lock the screen for your beloved handset.
This function already exists on your phone, which is the power button. But because of too much pressure it will quickly become greasy and gradually damage the power button. So we write this application helps the user to share the burden on the power button (Power).
Launch icon:
After installation, the application will have 2 launch icons:
1. "Screen Off and Lock" is used to perform the function of turning off and locking the screen
2. "Settings" is used to set up settings and manage your Premium account.
This app uses the following permissions:
1. Device Administrator permission.
To uninstall Lock Screen app:
1. Turn off "Device Administrator permission" in Settings or Go to phone's Settings > Security > Device administrators > Uncheck
Screen Off and Lock.
2. Go to phone's Settings > Apps > Lock Screen > Tap uninstall.
2. AccessibilityServices API: For supported phones fingerprint, to turn off and
lock the screen and screen unlock operations with fingerprints on your
phone device.
To off AccessibilityServices: Turn off "Accessibility Service" in Settings and follow the instructions or Go to phone's Settings > Accessibility >
Downloaded apps/Installed services > Screen Off and Lock > Switch off
About Screen Off and Lock
The company that develops Screen Off and Lock is Hoang Duc Lam. The latest version released by its developer is 4.4.3.
To install Screen Off and Lock on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-07-28 and was downloaded 3 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Screen Off and Lock as malware as malware if the download link to dev.qt.hdl.lockscreen is broken.
How to install Screen Off and Lock on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the Screen Off and Lock is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by Screen Off and Lock will be shown. Click on Accept to continue the process.
- Screen Off and Lock will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 4.4.3
posted on 2026-07-28
• Updated for the latest Android compatibility
• Bug fixes and feature improvements
• Better stability and performance
version 4.4.3
posted on 2026-07-28
• Updated for the latest Android compatibility
• Bug fixes and feature improvements
• Better stability and performance
version 4.4.1
posted on 2025-11-01
- Fixed Google sign-in issue when upgrading and using the Premium version
version 4.2.9
posted on 2025-07-09
- Fixed UI issues on Android 15 devices
- Optimized app performance
version 4.2.7
posted on 2025-04-24
- Add Spanish language
- App optimization
version 4.2.6
posted on 2025-01-07
- Fixed login issues with Google and some minor bugs
- App optimization
version 4.2.5
posted on 2024-12-29
- Fixed Accessibility Service auto-off bug, affecting voice lock function
- App optimization
version 4.2.4
posted on 2024-11-08
- Minor bug fixes and application optimization
version 4.2.3
posted on 2024-11-06
- Instructions to turn off and lock the screen by voice (in Settings)
- Minor bug fixes and application optimization
version 4.2.1
posted on 2024-10-18
- Fix some minor bugs and optimize the application
- Create an additional launch icon named "Settings" to manage settings and premium accounts separately
- Add a "quick settings tile" in the notification bar to make turning off and locking the screen more convenient
- Now you can use 2 methods of locking the screen and turning it on/off easily in the settings section
- Add a section "About" - Information about the author and application



