644 FAQ — All Your Questions Answered in One Place

No. 644's policy allows each person to hold only one account. If multiple accounts are detected, all accounts may be suspended and balances forfeited.

To update your email or mobile number, contact our support team. A name change requires KYC documentation. Date of birth cannot be changed, so make sure you enter the correct details at registration.

Click the "Forgot Password?" link on the login page. Enter your registered mobile number or email address and a reset code will be sent to you. Use that code to set a new password in just 2–3 minutes.

644 supports deposits via mobile banking, e-wallets, and bank transfer. For the full list of available payment methods, visit the Cashier section of your account.

Deposits via mobile banking and e-wallets are typically credited to your account within 1–5 minutes. Bank transfers may take a little longer.

The minimum deposit at 644 varies by payment method. To see the exact amount, go to the Cashier section and select your preferred payment method.

644 does not charge any fees on deposits. However, your payment provider may apply their own transaction fees. Contact your payment provider directly for details.

Most withdrawal requests are processed within 24 hours. Completed KYC verification speeds up the process. In some cases, it may take up to 3 business days.

Yes, KYC verification is required for withdrawals above a certain amount. Simply submit a copy of your national ID or passport to complete the process. Once verified, you won't need to do it again.

Generally, yes. Under our anti-money laundering policy, withdrawals must be made through the same method used for your deposit. In some cases, using an alternative method may require approval from support.

If more than 3 business days have passed, contact support via Live Chat with your withdrawal transaction ID and the issue will be resolved promptly. In many cases, a delayed withdrawal is due to incomplete KYC verification.

After registration, making your first deposit automatically credits a 100% welcome bonus to your account — no code or separate application needed. If you don't make your first deposit within 72 hours of registering, the bonus offer may expire.

A wagering requirement is the number of times you must bet your bonus amount before it becomes withdrawable. For example, if your bonus is BDT 1,000 and the wagering requirement is 30x, you must place BDT 30,000 in bets before the bonus can be withdrawn.

Most bonuses can be used on slots, Live Casino, and Sports Betting. Some bonuses are limited to specific games. Each bonus's terms will specify which games are eligible.

Yes. When someone you refer signs up and makes their first deposit, you earn a referral bonus. Full details about the referral program can be found in the Promotions section of your account.

At 644, you'll find:

• Slots — Hundreds of titles from classic to Megaways
• Live Casino — Blackjack, Roulette, and Baccarat with live dealers
• Sports Betting — cricket, football, tennis, and much more
• Crash Games — Fast-Paced and Thrilling

Yes. 644's entire game library is playable through a mobile browser. The website runs fully on both Android and iOS devices, so there's no need to install a separate app.

Yes. 644 offers live Sports Betting. Odds update in real time throughout the match and you can place bets at any moment. Live betting is available across cricket, football, and more.

First, check your internet connection. Refresh the page or clear your browser cache. Try a different browser. If the problem persists, let us know via support chat.

KYC (Know Your Customer) is an identity verification process. It confirms user identity in line with international financial regulations. For large withdrawals, a copy of your national ID or passport is required.

Yes. 644 uses 256-bit SSL encryption. Your personal and financial information is never sold or shared with any third party. See our Privacy Policy for full details.

Change your password immediately and notify our support team via Live Chat. The support team will temporarily lock your account and investigate. Never share your password or OTP with anyone.

Log in to your account and go to Profile Settings. Under the "Security" section, you'll find the option to enable Two-Factor Authentication (2FA). Once enabled, you'll receive an OTP on your mobile each time you log in.