421 Android App Download — Install the Official APK

Get the best of the 421 platform directly on your Android phone. The official 421 app uses WebView technology to load the platform quickly and smoothly — no separate browser needed.

Ideal for all Malaysian users who want easier access to Sports Betting, jackpots, e-sports and virtual sports from anywhere.

Create an Account First FAQ
A Malaysian user exploring the 421 platform via the Android smartphone app

App Info & Download

The 421 app is an Android APK that installs directly on your smartphone. It's designed to be lightweight, fast, and optimised for mobile data connections in Malaysia.

Only download from this official source to keep your account and personal data secure.

App iconApp Info

  • App Name421
  • Version1.0.0 (build 1)
  • Size379.2 KB
  • PlatformAndroid
  • Domain421.run
  • Updated2026-06-15
  • Package Namecom.k421.k421
  • SHA-2567987595c93a40b95f3d835d64ead5cddc4a9b722447c219aa09e0eac931e9533
  • PermissionINTERNET

Download the official Android app

Download APK

Supports Android phones & tablets

Minimum System Requirements

  • Operating system: Android 6.0 (Marshmallow) or above
  • Storage space: at least 50 MB free
  • RAM: 2 GB or more recommended
  • Internet connection: WiFi or 4G/LTE data
  • Permissions: Internet access, device storage

Why Use the App Instead of a Browser?

The 421 app delivers a smoother, more consistent experience compared to accessing the site through a mobile browser.

Faster Loading

The in-app WebView stores site data locally, making each launch faster than a regular browser that reloads from scratch every time.

Home Screen Icon

Access 421 with a single tap from your home screen — no need to open a browser, type a URL or search again. Faster and more convenient.

Real-Time Notifications

Receive push notifications for sports results, deposit status and the latest promotions directly on your phone so you never miss an important opportunity.

A Penang user preparing their Android phone to install the 421 app

Prepare Your Phone Before Installing

Since the 421 app is distributed as an APK file outside of the Google Play Store, you'll need to enable installation from unknown sources first. This is a standard Android setting and is safe to do.

How to Enable Permission
  1. Open Settings your phone.
  2. Go to Security or Privacy.
  3. Search options Unknown Sources or Install Unknown Apps.
  4. Enable permission for the browser or file manager you used to download the file.
  5. Go back and continue with the 421 APK installation.

Note: You can turn this permission off again after installation is complete for added security.

Install the App in 4 Simple Steps

1
Download APK

Click the download button in the app info section at the top of this page. The official 421 APK will be downloaded automatically to your phone's Downloads folder.

2
Open APK File

Open your file manager or notification panel and tap the 421 APK file you just downloaded. The system will prompt you to confirm the installation.

3
Confirm Installation

Tap Install when prompted. The installation process takes under 30 seconds. Do not close the screen while it's in progress.

4
Open & Log In

Once installation is complete, the 421 icon will appear on your home screen. Open the app, log in to your account and enjoy all 421 games with ease.

Updates, Installation Issues & FAQ

When a new version is available, return to this page and download the latest APK file. Install it over your existing installation — your account data and settings will be fully preserved. There's no need to uninstall the old app first.

First, make sure unknown sources permission is enabled in your phone's security settings. If the issue persists, try re-downloading the APK as the file may have been corrupted during the process. Also verify that your Android version is 6.0 or above and that you have sufficient storage space. For further assistance, contact [email protected].

Yes, the APK file on this page is the official release from the 421 team. Only download from this page to ensure you're getting a genuine, malware-free file. Do not install the 421 APK from unknown third-party sources. The app uses the same encryption as the official website to keep your data secure.

The APK file is only compatible with Android devices. iPhone and iPad users can access all 421 features through Safari or Chrome on their iOS device — a full mobile experience is available without installing any app. You can also save the link to your iPhone home screen for quicker access.

Ready to Play Anywhere?

Install the 421 app today and access Sports Betting, jackpots and e-sports from your phone's home screen — anytime, anywhere in Malaysia.

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