Download the 401 App for Android — Play Anywhere

The official 401 app comes as an APK for Android devices. Install once and enjoy full access to Sports Betting, Live Casino and table games anytime, anywhere across Malaysia.

Official Android APK Quick Install Safe & Trusted

App iconApp Info

  • App Name401
  • Version1.0.0 (build 1)
  • Size365.3 KB
  • PlatformAndroid
  • Domain401.best
  • Updated2026-06-15
  • Package Namecom.k401.k401
  • SHA-256f1b269b7f6915e0282849851e094fb994c12fb8d1d1da45d2ed04a287db0dbf2
  • PermissionsINTERNET

Download the official Android app

Download APK

Supports Android phones & tablets

A Penang player using the 401 mobile casino on a smartphone

Why Choose the App Over a Regular Browser?

The 401 app is designed to deliver a faster, smoother and more comfortable experience than accessing through a regular web browser.

Faster Performance

Pages load faster thanks to WebView technology optimised specifically for the 401 platform.

📌

One-Tap Access

The app icon on your home screen lets you launch 401 instantly — no need to type the URL every time.

🔔

Latest Notifications

Get the latest promotions, match results, and important updates delivered straight to your device.

🎮

Optimised Full Screen

The interface is optimised for full-screen display across all Android smartphone sizes, with no wasted browser chrome.

Kota Kinabalu users exploring the 401 mobile casino app

Before Installing the APK

Since the 401 APK is distributed outside the Google Play Store, you'll need to enable "Unknown Sources" on your Android device first. Here's how to do it based on your Android version:

  • Android 8.0 and above: Go to Settings → Apps → Select the browser or file manager you used → Enable "Allow from this source".
  • Android 7.0 and below: Go to Settings → Security → Enable "Unknown Sources".

Minimum system requirements:

  • Operating system: Android 5.0 (Lollipop) or later
  • Free storage space: At least 50 MB
  • Internet connection: WiFi or 4G/5G mobile data

How to Install the 401 App — Step by Step

Follow this quick guide and your app will be ready in under three minutes.

1

Download APK File

Click the download button above to get the latest official 401 APK file directly on your Android device.

2

Open the Downloaded File

Pull down the notification panel or go to your Downloads folder via File Manager, then tap the APK file.

3

Confirm Installation

An installation confirmation screen will appear. Tap "Install" and wait a few seconds for the process to complete.

4

Open & Log In

Tap the 401 icon on your home screen, then log in with your existing account or register a new one to start playing.

How to Update the App to the Latest Version

When a new version of the 401 app is released, you'll receive an in-app notification or can check for updates manually. To update:

  1. Revisit this page to get the latest APK version.
  2. Download and install the new APK file — it will automatically replace the old version without deleting your account data.
  3. Check the version number in the app settings to confirm the update was successful.

Installation Issues — Common Fixes

If you run into any issues installing the 401 APK, try the following steps:

  • "Unable to install" error: Make sure Unknown Sources is enabled and that your device has sufficient storage space.
  • Installation stalls: Restart your device and try installing the same APK file again.
  • App won't open: Clear the app cache via Settings → Apps → 401 → Storage → Clear Cache.
  • Issue persists: Contact 401 support at [email protected] for further assistance.

App FAQ

Yes, the 401 APK file is the official release distributed directly by our team. It has been tested and verified to be free of malware. Always download the APK from this official page only to keep your device safe.

Currently, the 401 APK app is only available for Android devices. iPhone and iPad users can access the full 401 platform via Safari or Chrome with an experience that closely matches the native app.

All user data in the 401 app is encrypted using industry-standard security protocols. Your login credentials and transactions are processed through the same secure connection as the web version. Never share your login details with anyone to keep your account secure.

For other questions about the app, visit the FAQ us or reach our support team at [email protected].

Already Installed? Log In and Start Playing

Once the 401 app is installed, log in with your existing account or register a new one to start enjoying all games and exclusive promotions.

Log In Now Create a New Account
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