Signing up with BB4 is easier than ever. Just enter your mobile number, choose a password, and your account is ready. A welcome bonus awaits on your very first deposit.
Important: You must be at least 18 years old to register on BB4. Only one account is allowed per mobile number. Please provide accurate information during registration to avoid issues at the verification stage.
These benefits are yours the moment you register
As a new member, you'll receive a special welcome bonus on your first deposit. Check the Promotions page for full bonus details.
Deposits via bKash, Nagad, or Rocket are typically credited to your BB4 balance within 1 minute.
Bet in real time on cricket, football, kabaddi, and all major local and international matches at the best odds.
Slots, Live Casino, fishing games — access hundreds of providers including Jili, PG Soft, and Evolution, all from a single account.
Download the BB4 app — play games, place bets, and manage transactions from anywhere.
BB4's support team is available in Bangla 24/7 — via live chat or email.
Registering on BB4 is a straightforward process. The steps below walk you through it — easy to follow even if it's your first time.
Click the "Register" button on the bb4 website or app. The registration form will open automatically.
Enter your active mobile number — ideally the one linked to your bKash/Nagad/Rocket account — along with a strong password. Use a combination of letters and numbers for your password.
A one-time OTP will be sent to your mobile number. Enter the code in the designated field. The code is typically valid for 5 minutes.
Once your OTP is verified, your BB4 account is ready. Make a deposit now and claim your welcome bonus.
Deposit a minimum of ৳200 via bKash, Nagad, or Rocket to activate your welcome bonus. See the Promotions page for full bonus terms.
Fill out the form below or register through the BB4 app — both options give you the same benefits.
Complete Registration in Just 2 Minutes — No Fees
Accepted Payment Methods
Before registering on BB4, please review the following requirements. If any of these conditions are not met, you may face issues creating or accessing your account.
| Subject | Terms / Requirements | Why It Matters |
|---|---|---|
| Age | Minimum Age 18 | Legal Obligations |
| Mobile Number | Active Bangladeshi number | OTP Verification & Transactions |
| Password | Minimum 8 characters (letters and numbers) | Account Security |
| Single Account | One per person only | Bonus Abuse Prevention |
| Accurate Information | False Information Is Strictly Prohibited | For KYC Verification |
| Payment Match | Payment Account in Your Own Name | Withdrawal Security |
Using the same mobile number for your bKash or Nagad account as the one you registered with makes withdrawals much smoother. A different number may require additional documents during verification.
Register on BB4 and make your first deposit to unlock a range of attractive bonuses — exclusive to new members.
On your first deposit, you'll receive a bonus of up to 100% of the amount deposited. Wagering requirements apply.
After registering, you'll get free spins on select slot games. Any winnings go straight to your real balance.
Register with a friend's referral code and you both get a bonus. You can find your own referral code in Account Settings after registration.
New members can place bets on selected Sports matches at special boosted odds. See the Promotions page for details.
Each bonus has its own wagering requirements and expiry. Before claiming a bonus, Promotions Page and Terms & Conditions Worth a quick read.
BB4 is one of Bangladesh's most recognized online betting platforms. Millions of members use BB4 every day — and there's a good reason for that.
Registering on BB4 is more than just opening an account — it's joining one of Bangladesh's most trusted gaming communities. Every day, thousands of Bangladeshis bet on cricket, enjoy Live Casino, and withdraw via bKash on BB4. Now it's your turn.
Many people wonder how safe BB4 really is before signing up. The answer is straightforward: BB4 has multiple layers of protection in place to keep your personal information and funds secure.
Information provided during registration is stored in encrypted form on BB4's secure servers. BB4 will never ask for your password or OTP via email or chat — if anyone does, it is not BB4. To learn more about security, visit BB4's Privacy Policy Read.
Once your account is set up, a few quick steps will make your overall experience much better.
Frequently Asked Questions About Registration
Free registration — claim your welcome bonus.
Register Already have an account? Log InFree registration, instant bonuses, and seamless transactions via bKash and Nagad — all in one place at BB4. Get started in just 2 minutes.