Official Download Page
Download 3999bad — Start the best gaming experience on Android and iOS today
Installation takes just a few minutes. Select the version for your device below and enjoy the full 3999bad gaming experience.
Installation takes just a few minutes. Select the version for your device below and enjoy the full 3999bad gaming experience.
3999bad is fully available on both Android and iOS with all features included.
You need to enable Unknown Sources. See the guide below.
Follow the steps below one by one — 3999bad will be ready on your phone in just 5 minutes.
Tap the Android APK download button above. The file will be saved to your phone's Downloads folder. Downloading via Chrome browser works best.
Go to Settings → Security (or Privacy) → Install Unknown Apps. Allow permission for Chrome or the Files app. You only need to do this once.
Tap the 3999bad APK file in your Downloads folder. An installation window will appear — tap "Install". The installation completes in just a few seconds.
You will see the 3999bad icon on your home screen. Tap it, then log in to your account or create a new one. That is all — let the games begin.
Follow the steps below to install 3999bad on your iPhone or iPad.
Open 3999bad.pro in Safari on your iPhone or iPad. "Add to Home Screen" does not work from Chrome or Firefox.
Tap the iOS button above. Safari will automatically take you to the correct page.
Tap the Share icon (box with an arrow) at the bottom center of Safari. A menu will appear.
Select "Add to Home Screen" from the menu, keep the name as is, and tap "Add". An app-like icon will appear on your home screen.
Check the minimum device requirements needed to run the 3999bad app.
| Topic | Android | iOS |
|---|---|---|
| Minimum OS | Android 5.0 (Lollipop) | IOS 12.0 |
| RAM | 1 GB (2 GB recommended) | IPhone 6 or later |
| Storage | 50 MB free space | 10 MB free space |
| Processor | Quad-core 1.2GHz+ | Apple A9 or above |
| Internet | 3G / 4G / WiFi | 3G / 4G / WiFi |
| Screen Resolution | 720x1280 or higher | Retina Display |
| Browser (PWA) | Chrome 80+ | Safari 13+ |
Mobile internet users in Bangladesh grow every year. People now want to do everything on their phones — from banking to entertainment, all at their fingertips. 3999bad built its mobile app with this in mind. The app is designed for all kinds of users across the country — it works just as well on a flagship phone as it does on a budget Android device.
Many people wonder before downloading — is the APK file safe? The answer is yes: files downloaded from the official 3999bad website are completely safe. Each file undergoes regular security checks and contains no harmful code. As a precaution, always download exclusively from 3999bad.pro and never from any third-party site.
The first time you open the app after installation, you'll see a simple welcome screen. If you're a new user, tap the "Register" button. Create your account in minutes by entering your mobile number and a few basic details. Existing users can log in directly.
After your first login, the app will prompt you to enable notifications — keeping them on means you will receive bonus offers, new game alerts, and special tournament updates directly on your phone. You can also set up biometric login so next time you can sign in with just your fingerprint or face.
When you open the 3999bad app, you're greeted with a clean home screen organized into separate sections: Live Casino, Sports, Slots, and Fish Games. In the Live Casino, you can play baccarat, roulette, or blackjack with real dealers in HD video. Even on slower connections, streaming stays smooth thanks to the app's automatic video quality adjustment.
In the Sports section, cricket tops the list of fan favorites. Live odds for IPL, BPL, and international T20 series are all available on the 3999bad app. Football fans are covered too, with full Premier League, La Liga, and Champions League listings.
The slots section gives you access to a massive library of hundreds of games — from classic three-reel slots to modern Megaways series. Free spin bonuses and special multiplier rounds make the experience even more exciting.
Making a deposit on the 3999bad app is quick and simple. Just a few taps via bKash, Nagad, or Rocket and you're done. Save your payment method once and you won't need to re-enter it next time. Go to the payment section, enter the amount, and confirm — your balance updates instantly.
Withdrawing your winnings is just as easy. Go to "Withdraw" in the app menu, enter the amount and your mobile banking number, then confirm. Funds typically arrive within a few minutes. No extra charges are deducted and the entire process is fully automated.
Android users will receive an in-app notification whenever a new update is available. Tap the notification to start downloading the new APK — the installation process is just as straightforward as before. iOS users don't need to do anything separately; since it runs as a PWA, the latest version loads automatically whenever you refresh the site.
3999bad releases regular updates, each bringing new games, performance improvements, and security patches. A special bonus or free spins offer is usually available right after an update — so it's worth updating promptly.
If you experience any problems during download or installation, try the solutions listed below.
Go to Settings → Security → Unknown Sources and enable it. On some phones, this option is found under Settings → Apps → Special App Access.
Try downloading again on WiFi or a stable mobile data connection. You can also tap "Retry" in Chrome's download manager.
Make sure your phone has at least 50 MB of free space. Delete old photos or unused apps to free up storage, then try installing again.
Restart your phone, then open the 3999bad app. If the issue persists, uninstall the app and download a fresh APK.
Make sure you are using Safari — this option is not available in Chrome or Firefox. Tap the Share icon, then scroll down.
Check your internet connection. If you've forgotten your password, use the "Forgot Password" option on the login page.
Answers to the most frequently asked questions about the 3999bad download.
Download 3999bad, create an account, and enjoy a special welcome bonus on your first deposit.