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3999b FAQ – All Your Questions Answered Here

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3999b FAQ – Everything You Need to Know

On this FAQ page, we've compiled answers to the most frequently asked questions from thousands of 3999b users across Bangladesh. Whether you're a new member or a returning one, this FAQ will give you a clear understanding of every aspect of the platform.

Whether you're registering at 3999b, placing a bet, making a deposit, or claiming a bonus – if you have any questions, this FAQ is your first stop. We've broken everything down in plain, simple language so you never get stuck.

This FAQ is updated regularly. Any new features or changes are added here right away. If you can't find the answer you're looking for, contact our Help Center Contact us.

Account & Registration 8 Questions

To register at 3999b, you need an active Bangladeshi mobile number and must be at least 18 years old. Fill in your name, mobile number, and password in the registration form, then verify with an OTP. Registration is completely free and takes just 3 minutes.

No. Each individual can only have One account can be opened. Attempting to create multiple accounts from the same mobile number or device may result in all accounts being suspended and any deposited funds being forfeited.

On the login page, click the "Forgot Password?" link. An OTP will be sent to your registered mobile number. Use the OTP to set a new password. The whole process takes under 2 minutes.

KYC is not required for standard betting. However, identity verification may be needed for large withdrawals or to access High Roller benefits. Simply submit a copy of your National ID or passport to complete verification.

After 5 consecutive failed login attempts, your account will be temporarily locked. Wait 30 minutes or Help Center Contact us via live chat. Our team will unlock your account promptly.

Yes, though for security reasons this cannot be done directly. Help Center Submit a request and your mobile number will be updated after identity verification. The process is typically completed within 24–48 hours.

You can close your account at any time. Go to Account Settings and select the "Close Account" option. Make sure to withdraw your balance before closing. To learn more about Responsible Betting, This page Read more.

Your account may become inactive after 90 consecutive days without a login. Any balance in an inactive account remains safe and secure. Simply log back in to reactivate it. Log in regularly and collect your daily bonus.

Deposits & Withdrawals 7 Questions

For deposits and withdrawals at 3999b, bKash, Nagad, Rocket Mobile banking and VISA & Mastercard are supported. Transact easily using Bangladesh's most popular payment methods.

The minimum deposit at 3999b is just ৳200. These limits are set with all types of bettors in Bangladesh in mind. Instant deposits are available via bKash and Nagad.

Deposits via bKash, Nagad, and Rocket are typically processed Within 1–5 minutes is credited to your account. Card payments may take up to 15 minutes. If it takes longer than 30 minutes, Help Center let us know.

Standard Withdrawal Request Between 15 minutes and 24 hours processing is completed. Requests made during bank holidays or between 2:00–6:00 AM may take slightly longer. High roller members receive priority processing for faster withdrawals.

3999b charges no withdrawal fees of its own. However, your mobile banking provider or card issuer may apply a small charge. For the best experience, we recommend using bKash or Nagad.

First, make sure your mobile banking account has sufficient balance and your internet connection is stable. If the issue persists, contact us with a screenshot of the transaction Help Center Contact us. Any incorrectly deducted funds will be refunded within 24 hours.

Daily withdrawal limit for regular members ৳50,000. Higher limits are available for verified accounts. High Roller Members can withdraw higher amounts. For more details, visit our Terms & Conditions Read more.

Bonuses & Rewards 6 questions

Registration Complete the process and on your first deposit 100% Welcome Bonus will be credited to your account automatically. For example, deposit ৳1,000 and get an extra ৳1,000 as a bonus. For full bonus terms and conditions, Rewards Page See

Log in to 3999b every day to earn your daily bonus. It starts small on day one, but stay consistent for 7 days and you'll unlock a special reward. Miss a day and your streak resets, so make it a habit to log in daily.

No, bonus funds cannot be withdrawn directly. You must wager your bonus and meet the required Wagering Requirement wagering requirements before winnings can be withdrawn. Typically, you need to wager 5–10x the bonus amount. For more details, In the Terms & Conditions See

Points are earned automatically on every bet you place. The higher the bet amount, the more points you earn. Accumulated points can be redeemed for free bets, bonus cash, and special rewards. To learn more about the full points system Rewards Page Visit.

Yes. When someone registers using your referral link or code and makes their first deposit, you'll earn a bonus. Find your referral code in the Profile section. Invite friends and family and enjoy betting together.

Every bonus has an expiry period, typically 7–30 days. Any bonus not used within this period will be automatically cancelled. To check a bonus's expiry date, go to the Bonus section in your profile.

Betting Rules 6 questions

At 3999b, Cricket, Football, Kabaddi, Tennis, Badminton, Basketball and 20+ other sports. You can also bet in real time on live matches. To view upcoming match schedules Sports Events Page See

3999b uses the decimal odds format. For example, odds of 2.50 mean that a ৳100 bet returns a total of ৳250 if you win (profit of ৳150). The higher the odds, the greater the risk — but also the greater the potential reward. For a detailed breakdown Analytics See

In most cases, a bet cannot be cancelled once confirmed. However, in certain situations before a match kicks off Cash Out is available. A cash out returns a set amount based on the current value of your bet. This feature may not be available on all bets.

If a match is cancelled or abandoned, the full stake for all bets placed on that match will be automatically refunded is settled. Winnings are generally credited within 24 hours. If one event in an accumulator bet is cancelled, the remaining odds are used to calculate the payout.

Live betting lets you place bets in real time while a match is in progress. Odds shift by the moment and new betting markets open continuously. Quick decision-making is key to success in live betting. For more strategies Analytics Read more.

The minimum bet amount at 3999b is ৳50 and maximum limits vary by event and market. High Roller Special higher limits are set for eligible members. To increase your betting limits, verify your account.

Mobile App 4 Questions

The 3999b app is available directly from our App Page available for download. Separate versions are available for Android and iOS. Even if it's not on the Google Play Store, you can easily install it using the APK file.

No, the 3999b app is completely Free can be downloaded and installed. All you need is a stable internet connection to download the app. For a detailed installation guide, On the app page available.

Yes. The 3999b app gives you full access to everything on the website — live betting, deposits and withdrawals, bonuses, and rewards. You'll also receive push notifications for live odds updates, bonus offers, and match reminders.

Some features may not work on older versions. For the best experience, always keep the app updated to the latest version. On the app page Information about the latest version is available there.

Security & Privacy 4 Questions

Yes. 3999b uses 256-bit SSL encryption, providing bank-level security. Your personal information and financial transactions are fully encrypted. Our Privacy Policy for full details.

Go to Profile Settings and enable 2FA under the "Security" section. An OTP will be sent to your mobile each time you log in. With 2FA active, no one can access your account even if they know your password. Enabling 2FA is strongly recommended for your security.

Change your password immediately and enable 2FA. Then Help Center Report it. Our security team will investigate and take action within 48 hours. Do not click on suspicious emails or links.

3999b does not share your personal information with any third party without your consent. Limited data may only be used for payment processing and legal compliance purposes. To read our full policy, Privacy Policy Read more.
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Why choose 3999b?

Millions of Bangladeshi bettors trust us — and there are solid reasons why.

Instant deposits & withdrawals

Deposit and withdraw in just minutes using bKash, Nagad, or Rocket — no hassle, no long waits.

Exciting Bonus Offers

3999b offers fresh deals every day – Welcome Bonus, Daily Login rewards, Referral Bonus, and more.

Maximum Security

Your account is always protected with bank-grade SSL encryption, 2FA security, and OTP verification.

Live betting experience

Bet on live matches across 20+ sports including cricket and football with real-time odds and feel the thrill.

Easy Mobile App

Download the free app for Android and iOS. Place bets from anywhere and stay updated with push notifications.

24/7 Bangla Support

Get help in Bangla anytime via live chat or email. Our team is available seven days a week, around the clock.

Responsible Betting

3999b is committed to Responsible Betting. Betting is for entertainment, not addiction. Play within your limits and take a break when you need one. Learn more about Responsible Gaming.

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