S300 FAQ – Frequently Asked Questions

You'll find answers to most of your questions about S300 right here — from registration and transactions to betting, bonuses, and security.

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Account & Registration

Signing up on S300 takes just 3–5 minutes. In three simple steps, enter your name, mobile number, and password — and your account is ready. All features are accessible immediately after registration.
RegistrationAccount

Yes, creating an account on S300 is completely free. There are no registration fees or hidden charges. You only need to make a deposit when you want to start betting.
Register for Free Now →

No. Per S300's policy, each person is allowed only one account. Any attempt to create multiple accounts will result in all accounts being suspended, and any funds held will not be refunded.

on the login page Go to the "Forgot Password?" option and click it. Enter your registered mobile number or email, verify your identity with an OTP, and set a new password — done in just 2–3 minutes.

Yes, for security purposes your S300 account will be temporarily locked for 15 minutes after five consecutive incorrect password attempts. It unlocks automatically after that. If the issue persists, contact us at support@s300.bio.

To change core details such as your name or date of birth, you will need to go through the KYC verification process. For mobile number or email updates, please contact the support team. Your password can be changed at any time from Account Settings.

Yes, only individuals aged 18 or above may register on S300. Age verification is carried out at the time of registration and before any withdrawal. Minors are strictly prohibited from using the platform under any circumstances.

KYC (Know Your Customer) is the identity verification process. S300 may request a copy of your national ID or passport for large withdrawals or in cases of suspicious activity. This is done solely to protect the security of your account.
Deposits & Withdrawals

You can easily deposit on S300 via bKash, Nagad, and Rocket, as well as through bank transfer. Transact using the mobile banking methods you already know and trust.
Learn more about financial transactions →

The minimum deposit on S300 depends on the payment method chosen. For bKash and Nagad, the minimum is kept very low so that players of all levels can get started with ease.

Withdrawals on S300 are typically processed within 24 hours. Mobile banking methods (bKash/Nagad/Rocket) are the fastest — in many cases, funds arrive within just a few hours. First-time withdrawals may require KYC verification.

Deposits via bKash, Nagad, and Rocket are usually credited to your account instantly. If there's a delay or your deposit doesn't appear, contact us at support@s300.bio with your transaction ID.

There are several reasons a withdrawal may be rejected:
  • KYC Verification Incomplete
  • If the bonus wagering requirements are not met
  • Insufficient account balance
  • Security Review for Suspicious Activity
Contact our support team for any issues.

Log in to your S300 account → Go to the Wallet/Transactions section. There you'll find a full history of all your deposits, withdrawals, and betting transactions. You can also filter by date for easy reference.

S300 does not charge any deposit fees. However, your payment provider (such as bKash or Nagad) may apply their standard charges. There are no withdrawal fees on S300's end either, although a small fee may apply for bank transfers.

Withdrawal limits depend on your payment method and account verification level. Accounts with completed KYC verification enjoy higher withdrawal limits. To find out about specific limits Financial Transactions page here.

Once you log in to S300, your current balance is displayed right on the dashboard. The mobile app also shows your balance immediately after login.

All transactions on S300 are conducted in Bangladeshi Taka (BDT). Every feature is built with local users in mind, making it easy to manage your funds in your own currency.
Betting & Sports

S300 offers betting on 30+ sports including cricket, football, tennis, badminton, basketball, and volleyball. During events like the IPL, BPL, Cricket World Cup, and FIFA World Cup, thousands of options are available.
View on the Betting page →

Live betting lets you place bets at real-time odds while a match is in progress. On S300, the odds shift with every moment of the game, and you can place new bets at any time. It's far more thrilling than standard pre-match betting.

S300 displays odds in decimal format. Winnings = stake × odds. For example, a BDT 100 bet at odds of 2.5 would return BDT 250 if you win (profit of BDT 150). For detailed examples on the match odds page here.

In general, a confirmed bet cannot be cancelled. However, for certain markets before a match begins, a "Cash Out" option may be available, allowing you to close your bet early under specific conditions.

If a match is cancelled or abandoned, your stake is generally refunded in full. However, the exact outcome depends on the match type and the terms of the betting market. For more details, in the Terms & Conditions here.

The minimum bet amount on S300 varies by betting market. Generally, you can place bets starting from a very small amount, giving new players the chance to get started with minimal risk.

Yes! On S300, you can place bets on multiple matches at the same time. With accumulator or parlay betting, you can combine multiple selections into a single bet — if all your selections are correct, the potential winnings are significantly higher.

Once the match result is confirmed, your winnings are automatically credited to your S300 wallet, from where you can make a withdrawal. In most cases, the wallet is updated within minutes of the result being announced.

A few tips for new players:
  • Start with small bets and learn as you go
  • Set a budget in advance and stick to it
  • Bet on sports you know
  • Don't chase losses by placing bigger bets
  • Responsible Gaming Guide Read
Bonuses & Promotions

After registering on S300, a welcome bonus is automatically credited upon your first deposit. This bonus is available one time only. Specific bonus terms and wagering requirements on the Promotions page here.

A wagering requirement is a condition that requires you to place a specified amount in bets before you can withdraw bonus funds. For example, a 10x wagering requirement means you must wager ten times the bonus amount before withdrawing. Full terms in the Terms & Conditions here.

Yes! S300 regularly offers reload bonuses, cashback, free bets, and special tournament promotions for existing members. To see the latest offers Promotions page Check back regularly.

S300 has a referral program. When a friend registers using your referral code and makes a deposit, both of you may receive a bonus. Current referral bonus terms on the Promotions page here.

Yes, every bonus on S300 has an expiry date. Any unused bonus is automatically removed once it expires. When you receive a bonus, make sure to read the terms and expiry date carefully.

Cashback means getting back a set percentage of your losses. For example, with a 10% cashback offer, if you lose ৳1,000 you'll receive ৳100 back. Cashback is typically credited on a weekly or monthly basis.

When you receive a free bet, it will appear in your bonus balance. When placing a bet, select "Free Bet" as your payment method. Please note that if you win with a free bet, the original stake is not returned — only the profit is paid out.
Security & Privacy

Yes, S300 uses 256-bit SSL encryption. Your personal information and financial data are fully secured. Passwords are never stored in plain text — only encrypted hashes are retained.

Log in to your S300 account → Settings → Security → Enable Two-Factor Authentication. Once enabled, an OTP will be sent to your mobile each time you log in, keeping your account significantly more secure.

S300 does not sell or share your personal information with third parties. Data may only be shared where required by law. To learn more, Privacy Policy read more.

Notify the S300 support team immediately. Change your account password and enable 2FA. S300 will never ask for your password or OTP via email or phone — any such request is a scam.

To close your account, send a request to support@s300.bio. Make sure to withdraw all remaining balance before closing. If you need a break for responsible gaming reasons, you can also use the self-exclusion option.

S300 uses cookies to improve its service. Your personal browsing history is never collected or sold. You can manage cookie preferences through your browser settings.
Mobile App

Everything you need to know about the S300 app on the App page. From there, you can directly download both the Android and iOS versions.

Yes, the S300 app is available on both Android and iOS. It runs smoothly on Android 5.0+ and iOS 11+ devices. For full system requirements, on the App page here.

The s300 app includes all the features available on the website, plus added benefits like push notifications, fingerprint login, and faster loading times. If you're betting on mobile, the app is the way to go.

The S300 app is updated regularly. When a new update is available, you'll receive a notification directly within the app. Using the latest version ensures the best performance and security.

Start by closing the app and reopening it. Check your internet connection, then clear the app cache. If the problem continues, uninstall and reinstall the app. If that still doesn't help, reach out to us at support@s300.bio.
Responsible Gaming

Yes! On S300, you can set daily, weekly, and monthly deposit and betting limits. Once set, these limits cannot be easily increased, helping you stay in control of your budget. For more details on the Responsible Gaming page here.

Self-exclusion means temporarily or permanently deactivating your own account. S300 offers self-exclusion options ranging from 6 months to permanent. You can do this through Account Settings or by contacting the support team.

S300 has a real-time monitoring system that detects unusual betting patterns and sends alerts. Our support team is always on hand to assist with responsible gaming. Learn more on the Responsible Gaming page here.

A cooling-off period is a temporary break during which all betting activity on your account is paused. On S300, you can set a cooling-off period of anywhere from 24 hours to 30 days. Deposits and withdrawals are also suspended during this time.

Keep your S300 password private, use device lock, and never hand over your device to others while logged in. Consider using parental control software.
Responsible Gaming Guide →

Why Bangladeshis choose S300

Safe & Trusted Platform

S300 uses SSL encryption and advanced security technology to keep your personal information and funds fully protected.

Easy transactions with bKash & Nagad

Deposit and withdraw easily using familiar mobile banking methods. Fast, hassle-free transactions.

24/7 Support in Bengali

For any questions or issues, S300's Bengali-speaking support team is always here to help.

Thousands of Live Matches

Live betting on cricket, football, and 30+ other sports. Real-time odds and instant results.

Exciting Bonus Offers

Enjoy a range of offers including welcome bonuses, reload bonuses, cashback, and referral bonuses.

Responsible Gaming Assured

S300 believes in responsible betting. Betting limits, cooling-off periods, and self-exclusion tools are always available.

Still have questions?

If you can't find your answer in the FAQ, contact the S300 support team directly. We're ready to assist you in Bengali.

support@s300.bio

Got all your answers? Join now!

Register for free on S300 and enjoy the best betting experience in Bangladesh. Your welcome bonus is waiting.

18+ | Bet Responsibly | Responsible Gaming | Terms & Conditions

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