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400gm FAQ — Answers to All Your Questions

Whatever questions you have about using 400gm — from registration to withdrawals — you'll find all the FAQs in one place, with clear and detailed answers.

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Most Frequently Asked Questions

These six topics receive the most questions every day — see the detailed FAQs below.

Registration & Account

Find answers here about how to open an account, what information is required, age verification, and the KYC process.

Deposits & Withdrawals

Full details on deposit and withdrawal limits, processing times, and procedures for bKash, Nagad, and Rocket.

Bonuses & Promotions

A complete guide to claiming and using your welcome bonus, reload offers, and free bets.

Betting & Games

Rules and FAQs for Sports Betting, casino, lottery, and new games — all in one place.

Security & Privacy

Everything you need to know about account security, password resets, and the safety of your personal information.

Mobile App

All common questions about downloading, installing, updating, and using biometric login on the 400gm app.

FAQ by Topic
Registration & Account Login & Access Deposits & Withdrawals Bonuses & Promotions Betting & Games Security Mobile App Support
Registration & Account

To create an account on 400gm, you'll need an active mobile number or email address, a strong password, and your real name. Registration is completely free and takes just a few minutes. For more details, visit our Registration Page here.

400gm is a responsible platform. You must be at least 18 years old to open an account. We may request proof of age during the KYC verification process. To learn more, Responsible Gaming View the page.

No. Each person is only allowed one account. If multiple accounts are detected, all of them may be suspended and any balances forfeited. For full details on our policies, Terms & Conditions Read more.

You can start playing right after completing your initial registration. However, KYC verification may be required for larger withdrawals — in which case you'll need to submit a copy of your National ID or passport. The process is typically completed within 24 hours.

Yes. You can request to close or permanently delete your account at any time by emailing support@400gm.app. Make sure to withdraw any remaining balance before closing your account.
Login & Access

On the Login Page and click the "Forgot Password?" link. A reset link will be sent to your registered mobile number or email. Use that link to set a new password and log back in.

After five consecutive incorrect password attempts, your account will be temporarily locked for 30 minutes. It will unlock automatically after that period. If you need immediate access, contact our support team via Live Chat.

Yes, you can be logged into the same account on multiple devices simultaneously. For your security, always log out after using an unfamiliar device.

Clear your browser cache and cookies, then try again. If the problem persists, try a different browser or the 400gm mobile app. For ongoing issues, contact us at support@400gm.app.
Deposits & Withdrawals

You can currently deposit funds easily via bKash, Nagad, and Rocket. The deposit process is fully automated and your balance is typically updated within seconds. To learn more, Financial Transactions View the page.

The minimum deposit is ৳500 and the maximum per transaction is ৳50,000. Daily limits may vary depending on the payment method. For the latest information, visit Transactions Page here.

Withdrawals typically reach your mobile wallet within 15 minutes to 24 hours of the request. If your KYC verification isn't complete, the first withdrawal may take a little longer.

Wait 5–10 minutes first. If it still hasn't arrived, collect your payment transaction ID and send it to support@400gm.app or share it via Live Chat. Our team will resolve it promptly.

400gm does not charge any fees for standard withdrawals. However, mobile banking providers (bKash, Nagad, etc.) may apply their own cashout charges in accordance with their respective policies.
Bonuses & Promotions

400gm offers an attractive welcome bonus on your first deposit after registration. The bonus amount and terms may change from time to time. To see the latest offer, Registration Page or visit the Promotions section.

No. Bonus funds are subject to wagering requirements before they can be withdrawn. You generally need to wager 5–20x the bonus amount to become eligible for withdrawal. Terms vary by bonus, so read the details carefully before claiming any offer.

Free bets are added to your account automatically. When placing a bet, select "Use Free Bet" from the payment options. Free bets typically expire after 7 days, so make sure to use them in time.

Yes. When you refer a friend and they make their first deposit, you'll receive a referral bonus. You can find your referral link in the profile section. For full terms and conditions on referral bonuses, visit Terms & Conditions here.
Betting & Games

You can bet on cricket, football, tennis, kabaddi, badminton, basketball, and much more. Odds for live matches update in real time. To view all matches, visit Match Odds Visit the page.

Once a bet is confirmed, it generally cannot be cancelled. However, some markets offer a "Cash Out" feature that lets you partially or fully settle your bet while the match is still in progress. Betting Tips Find detailed strategies on the page.

Yes. 400gm offers live blackjack, roulette, baccarat, and many more Live Casino games with real dealers. To browse all available games, Games Page Visit here.

After logging in Lottery Page Browse your preferred lottery, pick your numbers, and pay from your wallet. Results are announced at scheduled times, and any winnings are automatically credited to your balance.

400gm regularly adds new games. To see the latest additions, New Games Visit the page. New content is added every week, so check back regularly.
Security & Privacy

Yes. 400gm uses SSL/TLS encryption to keep all data secure. Your personal information is never sold or shared with any third party. For more details, see our Privacy Policy Read more.

Yes, 400gm supports two-factor authentication. You can enable 2FA from your account settings, and a one-time OTP will be sent to your mobile with every login. We strongly recommend keeping this feature turned on for your account's security.

If you suspect unauthorized access to your account, change your password immediately and contact us at support@400gm.app. Our security team will investigate and take action promptly.

Use a password of at least 8 characters that includes uppercase letters, lowercase letters, numbers, and special characters (e.g. @, #, !). It's best not to reuse passwords from other sites on 400gm.
Mobile App

Download the 400gm app directly from our App Page Download it from there — the app is free on both Android and iOS.

After installing the app, log in for the first time, then go to the Settings menu and enable the "Biometric Login" option. From then on, you can sign in instantly using your fingerprint or Face ID.

Some features may not work properly on older versions, and there may also be security vulnerabilities. Always use the latest version. From the app store or App Page for updates.

For installation issues on Android, enable "Unknown Sources" or "Install Unknown Apps" in your settings. On iOS, trust the app profile. If you're still having trouble, App Page View the full guide.
Support

You can reach us in three ways: (1) Live Chat — directly via the website or app; (2) Email — support@400gm.app; (3) Social media messaging. Live Chat typically gets a response within 5 minutes.

Yes. The 400gm support team provides full assistance in Bengali. All our support channels are operated in Bengali with Bangladesh users in mind.

For any complaints, send a detailed message to support@400gm.app. We aim to provide an initial response within 48 hours. More complex issues may take longer, but we'll keep you updated throughout.

Live Chat

Get instant Bangla support 24/7, directly from the app.

Open App

Email Support

For detailed issues, send us an email and we'll get back to you within 24 hours.

support@400gm.app

Policy

Visit our policy page for full terms and conditions.

Read the Rules

400gm FAQ — Detailed Guide

400gm is one of Bangladesh's most popular online betting platforms, with thousands of active users joining in on Sports Betting, casino, lottery, and new games every day. This FAQ page is designed to help you quickly find answers to any questions and enjoy a seamless experience.

About the Registration Process

Registering on 400gm is quick, easy, and completely free. All you need is a mobile number or email address to create an account. You'll have access to all platform features right after signing up. However, KYC verification is required before making large withdrawals — it's fully secure and confidential.

If you're having trouble accessing 400gm, resetting your password or clearing your browser cache usually does the trick. Our live chat support is available 24 hours a day and assists in Bengali.

About Financial Transactions

All financial transactions on 400gm are fully secure. Deposits via bKash, Nagad, and Rocket are processed instantly. Withdrawals are also fast, typically completing within 15 minutes to 24 hours. If you run into any issues with a deposit or withdrawal, contact support with your transaction ID.

About Bonuses & Promotions

400gm regularly offers attractive bonuses and promotions for both new and existing members — from welcome bonuses to reload offers, free bets, and referral bonuses. Each bonus comes with its own terms and conditions, so make sure to read the details before claiming.

About Responsible Gaming

400gm is committed to responsible gaming. We encourage users to play within their limits. You can set a daily betting limit for yourself or temporarily pause your account at any time. For more information, visit our Responsible Gaming View the page.

  • Always bet within your means.
  • Think of betting as entertainment, not a source of income.
  • 400gm is strictly prohibited for anyone under the age of 18.
  • If you run into any issues, don't hesitate to reach out to our support team.

Still have questions? Get started now

If you can't find your answer in the FAQ, our support team is always ready to help. Or go ahead and create an account to experience everything 400gm has to offer.

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