Registration
You only need four pieces of information to create a new account at b444: (1) Full Name — must match your NID; (2) Mobile number — an 11-digit Bangladeshi number starting with 01, linked to your bKash / Nagad / Rocket account; (3) Date of birth — Must be at least 18 years of age; (4) Password — at least 8 characters, combining letters and numbers.
Once you submit the form, an OTP will be sent to your mobile — enter it and your account is ready. The whole process usually takes under 2 minutes. Adding an email address is optional but helpful for password recovery. If you have a referral code, enter it during registration — it can't be added later. Note that each mobile number can only be linked to one account.
KYC Verification
KYC (Know Your Customer) verification is required for two main reasons: First, to keep your account secure — so no one else can make withdrawals in your name; Second, to confirm your age — b444 serves players aged 18 and over only.
What you'll need to complete KYC: National ID Card (NID) — front and back photo; Selfie — A photo of you holding your NID. Upload the images from the "Verify Account" or "KYC" section in your account settings. Maximum file size is 5 MB, in JPG or PNG format.
KYC verification is usually completed within 24 hours, though it may take up to 48 hours during busy periods. You'll be notified by SMS or email once it's done. A passport or driving licence is also accepted, but NID tends to be processed the fastest. If you have trouble uploading documents, you can send photos directly via live chat.
Cricket Betting
After logging in to b444, go to the "Sports" or "Cricket" section from the top menu. You'll see a list of ongoing and upcoming matches — IPL, World Cup, BPL, Asia Cup, and more.
The easiest market for beginners is Match Winner — which of the two teams will win. Odds are shown next to each match (e.g. Bangladesh 1.85, India 2.10). Click the team you want to bet on, the bet slip will open — enter your stake and click "Place Bet". That's it.
Other popular markets: Toss Winner (simple, 50-50 chance), Total Runs (total runs in a specific innings — over or under), Top Batsman (which batsman will score the most runs). With in-play betting, you can place bets while the match is live — odds update in real time. The minimum bet is generally ৳50.
Promotions
To view all b444 promotions and offers Latest Promotions page — you can find it directly in the menu. When logged in, active offers are also visible under the "Bonus" or "Promotions" section of your dashboard.
Here's how promotion updates work on b444: Daily Offers — new free bet or cashback offers every day; Weekly Reload Bonus — Deposit on specific days of the week to earn a bonus; Event-Based Offers — special offers during major cricket tournaments or football seasons; Loyalty Bonus — monthly perks for regular members.
Keep push notifications turned on in the b444 app to get alerted the moment a new offer drops. Each promotion has its own validity period and terms — make sure to read the details as soon as you see an offer.
Odds
At b444, typically Decimal Odds format is used — such as 1.85, 2.50, 3.10. These numbers tell you two things:
1. How much you'll receive: Odds × stake = total return. Example: a ৳1,000 bet at 2.00 odds — if you win, you get back ৳2,000 (profit of ৳1,000).
2. Odds: The lower the odds, the higher the chance of that team winning. Odds of 1.30 mean the team is a heavy favourite; 4.00 means they're the underdog.
To put it simply:
— ৳500 bet at 1.90 odds → ৳950 back if you win (profit of ৳450)
— ৳200 bet at odds of 3.50 → ৳700 returned if you win (profit ৳500)
As soon as you enter your stake in the bet slip, the "Potential Win" amount is calculated automatically — no manual math needed. If you're unsure about the odds on any market, just ask via Live Chat.
App Issues
If you're experiencing issues with the b444 app, follow the steps below:
App won't open or keeps crashing:
1. Force close the app and reopen it
2. Restart your phone
3. Go to Settings → Apps → b444 → Storage → Clear Cache
4. If the issue persists, uninstall the app and Download Page to install the latest version
App update required:
On Android: b444.world/download page to download the latest APK. b444 is not on Google Play, so the APK must be downloaded directly. On iOS: update via the App Store.
Can't install on Android:
Go to Settings → Security → enable "Unknown sources" or "Install unknown apps" — this is required to install the APK.
Unable to log in to the app:
Check your internet connection and make sure VPN is turned off. If the issue persists, try opening b444.world in your browser and logging in from there.
Welcome Bonus
You don't need a special code or any extra steps to claim the b444 welcome bonus — it's added automatically. Just two conditions need to be met:
(1) Make your first deposit within 7 days of registering.
(2) Deposit a minimum of ৳200.
Your bonus will be credited to your account's "Bonus Balance" immediately after your deposit is confirmed. The bonus amount equals 100% of your first deposit, up to a maximum of ৳5,000.
Example: Deposit ৳1,000 and ৳1,000 will be added to your bonus balance — giving you ৳2,000 to play with in total.
Bonus withdrawal conditions: Bonuses cannot be withdrawn directly — first 15x the bonus amount amount must be wagered (e.g. a ৳1,000 bonus requires ৳15,000 in wagering). Once the wagering requirement is met, the bonus moves to your main balance and can be withdrawn. Validity: 30 days from the date of deposit.