Why download the 3999 Bit app?
Most people today do everything from their phones — from banking to entertainment, smartphones are everyone's first choice. 3999 Bit was built with that in mind. This isn't just another app; it's designed to perform reliably even under Bangladesh's varying network conditions.
Whether you're on a 3G connection in a village in Bogura or 4G at an office in Dhaka, the 3999 Bit app runs smoothly in every situation. At just 28 MB, it won't eat into your phone's storage — and its low battery consumption is a welcome bonus at the end of the day.
Playing on a browser means logging in every time, dealing with page reloads, and occasional game lag. Download the 3999 Bit app and leave all that behind. Log in once, then jump straight into any game — no extra steps.
Choose the app for your device
The same quality experience on both Android and iOS.
- bKash / Nagad / Rocket Payment
- Fingerprint Login
- Live Scores & Notifications
- Low data mode
- Face ID & Touch ID Support
- Retina Display Optimized
- Background Push Notifications
- iPad Support
Cricket betting on 3999 Bit is now easy and convenient, even from Bogura.
How to Install the 3999 Bit APK on Android
Installing an APK for the first time? Follow the steps below — it only takes 3 minutes.
Enable Unknown Sources
Phone's Settings → Security or Privacy → Unknown Sources Enable this option — without it, the APK won't install. The location varies by device; on Samsung phones it's usually under Settings → Biometrics and Security.
Download the APK File
Click the "Android Download" button on this page. The download will start and you can track its progress in your phone's notification bar. The 28 MB file typically downloads in 1–2 minutes on 3G.
Open from File Manager
Once the download is complete, tap the notification or open File Manager and go to the Downloads folder. 3999bit-v3.8.1.apk Locate the file and tap on it.
Tap the "Install" Button
An installation window will appear. "Install" button. Grant any permissions requested. Installation will be complete in 30–60 seconds.
Tap "Open" or find the icon on your home screen
After installation, tap "Open" button or find the 3999 Bit icon on your home screen. When you open the app for the first time, log in or register — then every game is right at your fingertips!
Install the 3999 Bit App on iPhone / iPad
A separate, straightforward process for iOS users.
Tap the iOS download link
Tap the "iOS Download" button on this page. We recommend opening it in Safari, as other browsers may have certain limitations.
Trust / Mark as Trusted
When opening the app for the first time on iPhone, an "Untrusted Developer" message may appear. Go to Settings → General → VPN & Device Management and tap Trust for 3999 Bit.
Launch the app and log in
The 3999 Bit icon will appear on your home screen. Tap it to launch the app and log in to your account. You can also set up Face ID for quick sign-in next time.
Just like Dhaka's neon lights, the 3999 Bit app brings a brilliant glow to your gaming experience.
What you get with the 3999 Bit app
Everything on the website, in the app — plus a whole lot more.
Instant Load
The app loads in 0.5 seconds after launch — no waiting for pages to load like in a browser.
Biometric Login
No more typing your password every time. Log in instantly with your fingerprint or face.
Smart notifications
Get instant notifications for bonuses, match kick-offs, and goals. Never miss a moment.
Low data mode
On a slow connection, enable Low Data Mode. Games will keep running with reduced animations.
Dark Mode
Straining your eyes playing at night? Switch on Dark Mode — easier on the eyes and better for your battery too.
Bangla Interface
The app's menus, help, and support are all in Bangla. Play without any language barriers.
SSL Encryption
All app data is secured with 256-bit SSL encryption. Your personal information and funds are completely safe.
Automatic Updates
When new features are available, the app will notify you automatically. You'll always be on the latest version.
Enjoy fishing games on the 3999 Bit app right from the beaches of Cox's Bazar.
App vs Mobile Browser
Which one is right for you? See the difference.
| Features | Mobile Browser | 3999 Bit App |
|---|---|---|
| Loading speed | Medium | ⚡ Fastest |
| Biometric Login | None | Yes |
| Push Notifications | None | Yes |
| Dark Mode | None | Yes |
| Low data mode | None | Yes |
| Installation required | None | One-time only |
| Battery usage | More | Low |
| Game stability | Occasional Lag | Always smooth |
| Live score widget | None | Yes |
| Session memory | Frequent Logouts | Always Logged In |
3999 Bit App – A New Era of Gaming in Bangladesh
Picture this: a thrilling BPL match is in its final over, with 15 runs needed. If you have to pull out your phone, open a browser, wait for the site to load, and then place your bet — you might just miss the moment. With the 3999 Bit app, you're in the live betting section with a single tap.
Even on a trip to Cox's Bazar beach, the app has you covered. Take a break and play a few rounds of baccarat at the Live Casino — the live stream won't cut out even on a 3G connection, thanks to 3999 Bit's adaptive bitrate video technology.
A user from Rangpur shared that he used to play on a laptop, but after downloading the 3999 Bit app, he handles everything on mobile. Payments, betting, withdrawals — all in one place. Depositing via bKash takes just 30 seconds.
What permissions does the app require?
In the interest of transparency, we explain the reason behind every permission we request.
Camera
For KYC verification and Face ID login only. Not used for any other purpose.
Internet access
Required for gameplay, live odds updates, and payment processing.
Notifications
To send bonus offers, match alerts, and win notifications. You can turn these off at any time.
Storage
For storing offline cache and game data. Uses no more than 50 MB.
Biometrics
For fingerprint and Face ID login. No biometric data is sent from your device to our servers.
User Ratings
"I've never seen odds update this fast during BPL matches anywhere else. The app runs incredibly smooth."
"Fingerprint login is incredibly convenient. Payments via bKash take under 30 seconds."
Thousands of users in Rangpur are already enjoying casino entertainment on the 3999 Bit app.
Version History
Latest Update – Stability Improvements
Live betting lag fixed. Bangla language support improved. Payment gateway updated.
Dark Mode & Low Data Mode Added
New dark theme. Low data option for 3G users. Improved Live Casino streaming.
Cash Out Feature Enabled
Cash out on live bets. Dedicated interface for accumulator betting.
Biometric Login Added
Fingerprint & Face ID support. New game lobby design. Performance improved by 40%.