At home, on the go, wherever you are — play Sports Betting, Live Casino, and fish games all in one place with the 3666bef app. Fast, secure, and fully in Bengali.
Smartphones have become an inseparable part of our lives — shopping, banking, entertainment, all at your fingertips. Tapping into that convenience, 3666bef has built an app designed specifically for mobile users in Bangladesh.
The 3666bef app gives you live betting on cricket, football, and more, a full Live Casino section with blackjack, baccarat, and roulette, fish games, slots, and much more. Having everything in a single app is truly rare.
The app interface is fully in Bengali, so even new users can navigate it with ease. Deposits and withdrawals via Mobile Banking and Nagad are built right in — no extra hassle. Many users have said the 3666bef app is far simpler and faster than they expected.
The 3666bef app runs effortlessly on virtually any smartphone
Even though it's not on the Play Store, installing the 3666bef app is very straightforward. Just follow the steps below.
Start by creating an account on 3666bef. All you need is a mobile number and password.
Tap the "Download Android APK" button above. The file will begin downloading to your phone.
Go to Settings → Security → and enable "Unknown Sources". You only need to do this once.
Open the APK file from your downloads folder and tap "Install".
Once installed, open the app, log in, and start playing right away.
Get the 3666bef app ready on your phone in just a few minutes. Start playing right now.
Everything in one app — that's the core promise of 3666bef
The app launches in just 2 seconds and games load instantly. Smooth performance even on slow internet.
Deposit and withdraw using Mobile Banking, Nagad, or Rocket directly within the app.
Watch HD-quality Live Casino games on your mobile and play with real dealers.
Get instant notifications for bonus offers, match kick-offs, and win alerts.
Log in within seconds using fingerprint or Face ID — no password typing required.
Get live scores and updated odds for cricket, football, and all other sports directly on the app.
Switch to dark mode for a comfortable gaming experience at night. The app can also adjust automatically.
Reach our live chat support in Bengali directly from the app. Available 24/7.
You don't need a high-end phone to run the 3666bef app. It works smoothly even on budget smartphones.
| Description | Android | IOS |
|---|---|---|
| Minimum OS Version | Android 5.0+ | IOS 13.0+ |
| Storage Required | 38 MB | PWA (zero) |
| RAM required | 1 GB+ | 1 GB+ |
| Internet connection | 3G / 4G / WiFi | 3G / 4G / WiFi |
| App type | Native APK | Progressive Web App |
| Update method | Auto / Manual | Automatic |
| Biometric Login | Supported | Face ID supported |
From Sports to Live Casino — everything is ready the moment you open the app
Live betting on 30+ sports including cricket, football, tennis, and badminton.
247+ live tables including Baccarat, Blackjack, Roulette, and Crazy Time.
Play popular fishing games and arcade shooting games directly on the app.
500+ slot games — all categories from classic to Megaways.
Classic table games including dice, poker, and other card games.
App-exclusive bonuses, cashback, and loyalty rewards.
Register for free, claim your 100% welcome bonus, and enjoy your favorite games on the 3666bef app.
For users aged 18 and above. Play responsibly.