The official 3999btd mobile app is the platform of choice for millions of players in Bangladesh. Slots, Live Casino, Sports Betting — all in one app, anytime, anywhere.
The 3999btd app runs seamlessly on both Android and iOS. No matter what phone you use, the experience stays the same.
Install the 3999btd app on any device running Android 6.0 or above. The APK file can be downloaded directly from our website.
The 3999btd iOS app is equally optimized for iPhone and iPad users. It runs effortlessly on devices with iOS 13 or above.
The app is extremely lightweight and fast. It runs smoothly even on a weak network connection.
Log in in just one second using your fingerprint, Face ID, or PIN.
Instant push notifications for match starts, bonus offers, and withdrawal confirmations.
Enjoy Live Casino games in HD quality, streamed directly to your mobile.
Every menu, button, and instruction in the app is in Bengali — designed with Bangladeshi users in mind.
Deposit and withdraw directly from the app using Mobile Banking, Nagad, or Rocket.
View live scores and stats for cricket and football directly in the app.
Chat with our support team directly through live chat inside the app.
Start by visiting the 3999btd website and creating a free account. Just enter your mobile number and set a password — that's all it takes.
After logging in, go to the "App" section from the menu. You'll find the Android APK and iOS download links there.
Android users can download the APK and install it by enabling "Unknown Sources." iOS users can install directly without any extra steps.
Open the app, log in to your 3999btd account, choose your favorite game, and start playing.
Go to Settings → Security → Unknown Sources → Enable. Then open the APK file and the installation will begin automatically. This is completely safe.
The 3999btd app is built with the latest technology to run smoothly on any phone in Bangladesh. The table below covers the app's full technical details.
| Features | Android | IOS |
|---|---|---|
| Minimum OS | Android 6.0 | IOS 13.0 |
| File Size | 45 MB | 52 MB |
| RAM Required | 1 GB or more | 1 GB or more |
| Language Support | Bangla, English | Bangla, English |
| Biometric Login | Fingerprint | Face ID / Touch ID |
| Live Streaming | HD (720p) | HD (1080p) |
| Auto Update | Supported | Supported |
The 3999btd app is more than just a betting app — it's a complete entertainment platform. The moment you open it, you get access to a massive library of thousands of games. The Live Casino section features Baccarat, Roulette, Blackjack, and Dragon Tiger, all with live dealers in real time.
In the Slots section, 3999btd app users get access to over 5,000 slot games from the world's top providers, including Pragmatic Play, PG Soft, and Habanero. With new games added every week, there's never a dull moment.
In the Sports Betting section, the 3999btd app lets you bet on cricket, football, tennis, badminton, and 30+ other sports. Live betting is available across all major leagues — IPL, BPL, English Premier League, and more. Live score updates appear in the app within seconds, so you can always make informed decisions.
Another great feature of the 3999btd app is its offline mode. Even with a weak connection, the app keeps certain features accessible, such as viewing past results and your account balance. This is especially useful for users in remote areas of Bangladesh.
All your data on the 3999btd app is protected with end-to-end encryption. We never share your personal information with third parties. For more details, please Privacy Policy read it here.
Deposits and withdrawals through the app are now easier than ever. Depositing via Mobile Banking, Nagad, or Rocket credits your balance within seconds. For withdrawals, requests made through the 3999btd app are typically processed within 3 to 15 minutes.
The 3999btd app is updated regularly. Each update brings new games, improved performance, and enhanced security. Keep auto-update on to always have the latest version.
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