B399 FAQ — answers to all your questions, right here

Under b399's rules, each person may only one account open per person. If multiple accounts are found linked to the same individual, all accounts may be suspended and any stored balance may be forfeited. Please use only one account.

KYC (Know Your Customer) verification is mandatory on b399 for security purposes, especially before large withdrawals. Required documents:

• A clear photo of your National ID (NID) or passport
• Selfie photo (face must be clearly visible)
• Mobile banking statement (where applicable)

Verification is usually completed within 24 hours of submitting your documents.

On the login page Click the "Forgot Password?" link. Enter your registered mobile number or email — an OTP or reset link will be sent to you. Use it to create a new password. Your password must include At least 8 characters, one uppercase letter, and one number.

Yes, but to change your mobile number you'll need to contact b399 live chat support. After verifying your identity, the support team will update the number for you. It cannot be changed directly from settings, as updating a mobile number requires additional security verification.

b399 supports the most popular payment methods in Bangladesh:

• Mobile Banking — the fastest and most popular
• Nagad — instant credit
• Rocket (DBBL)
• Bank Transfer — for larger amounts
• Cryptocurrency — USDT, BTC

Deposits via all methods are generally credited to your account within 5 minutes.

At b399, Minimum deposit only BDT 200. This can be done via any mobile banking service or bank transfer in Bangladesh. The maximum deposit limit may vary depending on the payment method and account type.

Your balance is typically updated within 5–10 minutes. If it still hasn't appeared:

1. Note down the payment transaction ID or take a screenshot.
2. Contact b399 Live Chat support with your transaction ID.
3. Issues are usually resolved within 1 hour.

Make sure you entered the correct number or reference when making the payment.

To withdraw from b399, log in to your account, go to the Wallet section, and select "Withdrawal". Choose your payment method (Mobile Banking/Nagad/Rocket/Bank) and enter the amount. Typically, 30 minutes to 24 hours Funds are credited within that time. Large withdrawals may be delayed if KYC verification is not complete.

At b399, Minimum withdrawal BDT 500. The maximum limit depends on your account level and VIP status. Standard accounts can withdraw up to BDT 50,000 per day. VIP members withdraw even more.

Common reasons for withdrawal rejection:

• KYC verification incomplete
• Bonus wagering requirements not met
• Incorrect payment details provided
• Daily limit reached

Find out the reason, make the necessary corrections, and resubmit. If you run into any issues, contact the support team.

For new members at b399, Welcome Bonus available. A bonus of a set percentage is offered on your first deposit, along with free spins and cashback offers. To see the latest bonus offers, Promotions page Visit.

A wagering requirement means the number of times you must bet your bonus amount before you can withdraw it. For example: a BDT 100 bonus with a 30x wagering requirement means you need to place BDT 3,000 in bets before that bonus can be withdrawn. Each bonus has its own terms — Terms and Conditions Find more details on the page.

With b399's referral program, both you and your friend get a bonus when you refer them. Log in to your account, grab your referral link, and share it with your friend. Once they register through that link and make their first deposit, the referral bonus will be credited to your account. For more details, On the promotions page available.

b399 has an extensive game collection:

• Slots — thousands of slots games
• Live Casino — Baccarat, Roulette, and Blackjack with live dealers
• Fish Game — popular fishing arcade games
• Sports Bet — international events including cricket, football, and tennis

All games are playable on both mobile and desktop.

Yes, all games on b399 RNG (Random Number Generator) technology that is audited by third parties. Live Casino games are broadcast in real time, leaving no room for manipulation. The RTP (Return to Player) rate for all games is published transparently.

b399's servers automatically save your game progress. If you get disconnected, simply reconnect and you'll resume right where you left off. In slots, any spin in progress is safely recorded on the server. In live games, you can rejoin quickly after losing connection.

Go to Account Settings and click the "Security" tab. You'll find the option to enable 2FA there. Both mobile OTP and Google Authenticator are supported. With 2FA enabled, unauthorized access to your account becomes nearly impossible.

Take these steps right now:

1. Change your password immediately.
2. Log out of all devices (the option is available in settings).
3. Contact b399 Live Support and request a temporary account lock.
4. Take a screenshot of any unauthorized transactions.

Never share your password or OTP with anyone.

The b399 app is available directly Download page Available for both Android and iOS. Android users can download and install the APK file directly. You may need to enable "Unknown Sources" in your phone settings before installing. iOS users can install directly from the link.

Yes, the b399 app gives you access to everything on the website — games, deposits, withdrawals, bonus claims, live chat, and more. Plus, the app also Push notifications so you never miss a new bonus or offer. Game performance is also smoother on the mobile app.

Yes, you should keep the b399 app updated regularly. New updates include security patches, new games, and performance improvements. You'll see an update notification when you open the app. Using an older version may cause some features to stop working. On the download page You'll always get the latest version.

The b399 app supports a data-saving mode. For slots and casino games, the minimum 3G connection sufficient. A good 4G or WiFi connection is recommended for Live Casino and streaming games. On limited data, you can play in SD quality instead of HD.