Info & APK Download
Get the official 21a APK directly from this page. All technical details — including the latest version, file size, and download button — are available below. Only install files sourced from here to keep your device safe.
App Info
- App Name21a
- Version1.0.0 (build 1)
- Size369.6 KB
- PlatformAndroid
- Domain21a.im
- Updated2026-06-15
- Package Namecom.k21a.k21a
- SHA-256431512a10d6f46a17bdeccdfe0739480c0f1833b367072eef4365baf3d7cb86a
- PermissionsINTERNET
Why Use the App Instead of a Regular Browser?
The 21a app is built to deliver a better experience than browsing a regular website.
WebView technology loads pages faster than a regular browser, delivering a more responsive experience.
The app icon on your home screen lets you launch 21a with a single tap — no need to type in the URL every time.
Enjoy a true full-screen interface without the browser address bar, giving you more space for games and betting content.
The app always uses an encrypted connection to protect your login data and MYR transaction details.
Before You Install
Since the 21a APK is distributed outside the Google Play Store, you'll need to enable the following setting on your Android device before installing:
Enable Unknown Sources
- Open Settings on your phone.
- Go to Security or Privacy (depending on your device model).
- Search options Install Unknown Apps or Unknown Sources.
- Enable this option for the browser or file manager you're using to open the APK.
- Once installation is complete, you can turn this setting back off for added security.
Minimum System Requirements
- Operating system: Android 6.0 (Marshmallow) or above
- Storage: At least 50 MB of free space
- Internet connection: WiFi or mobile data (4G/5G recommended)
- RAM: Minimum 2 GB for a smooth experience
APK Installation Steps
Click the download button in the APK info section above. The file will be saved automatically to your device's Downloads folder.
Open your File Manager app or tap the completed download notification. Select the 21a APK file to begin the installation process.
Android will prompt you for permission. Tap Install to proceed. If an unknown source warning appears, follow the setup steps on the left.
Once installation is complete, the 21a icon will appear on your home screen. Open the app, log in or create a new account to start playing.
How to Update the APK to the Latest Version
When a new version of 21a is released, you'll need to manually install the latest APK. Follow these steps:
- Refresh the page Download App this and download the latest APK file.
- Install the new file over the existing version — no need to uninstall the old app first.
- Your account data and settings will be preserved throughout the update process.
- After updating, log back in to access the latest features on the 21a platform.
Installation Failed? Try This
Here are some common issues during APK installation and how to resolve them:
- "Unknown Sources" message: Make sure you have enabled the unknown sources setting as described above.
- Corrupted or incomplete file: Delete the downloaded APK file and try downloading it again on a stable internet connection.
- Insufficient storage space: Free up at least 100 MB of storage on your device before reinstalling.
- Incompatible Android version: Make sure your device is running Android 6.0 or above. Older devices may not be supported.
App FAQ
Have more questions about the app? Visit FAQ us for more information.
Don't Have a 21a Account Yet?
Once the app is installed, you'll need an account to start playing. Registration is free and takes less than 3 minutes. Sign up now and enjoy all the games right from your phone.