Important Notice: By creating or using an account on the S300 platform, you fully agree to these Terms & Conditions. If you disagree with any of these terms, please refrain from using our services.
1 General Terms & Conditions
S300 (https://s300.bio) is an online betting and gaming platform. These Terms & Conditions ("Terms") form a legally binding agreement between s300 and every member who uses its services. These Terms are governed by and construed in accordance with the applicable laws of Bangladesh.
By registering, logging in, or using any service on the s300 platform, you confirm that you have read, understood, and agreed to these Terms. These Terms may be updated periodically, and any changes will take effect immediately upon publication on the website.
- These Terms & Conditions apply in both English and Bengali; in the event of any conflict, the English version shall prevail.
- S300 reserves the right to amend the terms of service at any time without prior notice.
- You are solely responsible for the security of your account.
2 Account & Registration
To register on S300, you must provide accurate and complete personal information. Providing false or incomplete details may result in your account being suspended or terminated at any time.
- One person, one account: Each individual may only hold one s300 account. If multiple accounts are found belonging to the same person, all accounts will be closed and any funds held may be forfeited.
- Password protection: Keep your login credentials confidential. If you suspect any unauthorized access to your account, notify the S300 support team immediately.
- Account Transfer: Your s300 account may not be transferred, sold, or lent to any other person.
- Third-party use: Placing bets on behalf of others or using third-party funds is strictly prohibited.
- KYC Verification: Prior to withdrawal or for high-value transactions, s300 may request your National ID, passport, or other identity documents.
3 Age Verification & Eligibility
Warning: S300 takes a strict stance against underage gambling. Use of this platform is strictly prohibited for anyone under the age of 18.
You must be at least 18 years old to register and use S300's services. By completing registration, you confirm that you are 18 or older.
- S300 may request a birth certificate or National ID for age verification at any time.
- If verification fails, the account will be suspended and any deposited funds will be returned.
- Any attempt to register as a minor may be reported to the relevant authorities.
4 Deposit & Withdrawal Policy
All financial transactions on s300 are fully secure and encrypted. We support bKash, Nagad, Rocket, and other popular payment methods.
- Minimum deposit: The minimum deposit amount on s300 may vary depending on the payment method. Full details are available on the Financial Transactions page.
- Withdrawal process: Withdrawal requests are processed within 24–72 hours. The withdrawal method must generally match the original deposit method.
- Minimum withdrawal: The minimum withdrawal amount is ৳500 BDT.
- Verification Required: Identity verification is mandatory for withdrawals above the specified threshold.
- Prohibited activity: Bonus funds cannot be withdrawn directly — wagering requirements must be met first.
- Transaction fee: s300 generally does not charge any transaction fees, though your payment provider may apply their own charges.
5 Bonus & Promotions Terms
S300 regularly offers a variety of bonuses and promotions. Each offer has its own terms and conditions, which are detailed on the promotions page.
- Welcome Bonus: New members are eligible for the Welcome Bonus on a one-time basis only. To withdraw this bonus, the specified wagering (Wagering) requirements must be met.
- Wagering Requirements: Bonus amounts generally require a wagering rollover of 5x to 30x. This figure may vary for each individual bonus.
- Bonus validity: Every bonus comes with a set expiry period. Once the validity period ends, the bonus is automatically forfeited.
- Bonus Abuse: Creating multiple accounts or providing false information to exploit the bonus system will result in account termination.
- Bonus Changes: S300 reserves the right to modify, suspend, or cancel any bonus offer at any time.
6 Betting Rules
When placing bets on S300, the following rules must be observed at all times. These rules apply equally to all members.
- Bet confirmation: Once a bet is confirmed, it cannot be changed or cancelled, unless S300 offers a dedicated cash-out option.
- Odds Changes: S300 reserves the right to update odds at any time. The odds displayed at the time of placing your bet will be considered final.
- Match Cancellation: If a match or event is cancelled, the stake for the relevant bet will generally be refunded.
- Technical Issues: If a bet is affected by server or connectivity issues, S300 will investigate and make the final determination.
- Maximum Bet Limit: Maximum bet limits are set for each market and event, and are displayed on the platform.
- Live Betting: Due to latency in live betting, odds and results may vary.
7 Prohibited Activities
The following activities are strictly prohibited on S300. Violations may result in permanent account suspension and legal action.
- Creating or operating multiple accounts
- Registering using a false identity or another person's details
- Money laundering or any form of illegal financial transactions
- Fraudulent use of the bonus system (Bonus Abuse)
- Using software bots or automated tools to place bets
- Placing bets on behalf of other members or using another member's account
- Exploiting any platform vulnerability or bug
- Abusive behaviour towards s300 support staff or team members
8 Privacy & Data Protection
S300 places the highest priority on the security of your personal information. We collect, store, and use your data in accordance with our Privacy Policy.
- Your personal information is used solely for the purpose of providing s300 services.
- Your information is never sold or transferred to third parties.
- Information may be shared when required by law or at the request of a regulatory authority.
- To learn more, visit our Privacy Policy Read.
9 Responsible Gaming
S300 is a strong advocate of responsible gaming. We want every member to play for entertainment — not out of compulsion.
- Betting limits: You can set your own daily, weekly, and monthly betting limits at any time.
- Self-exclusion: You may request a temporary or permanent self-exclusion from the platform at any time.
- Cooling-off: You have the option to take a temporary break from betting for a set period.
- To learn more, visit our Responsible Gaming View page.
10 Account Suspension & Termination
S300 reserves the right to suspend or terminate your account without prior notice under the following circumstances:
- Violation of any provision of these Terms & Conditions
- Upon evidence of fraudulent or suspicious activity
- If registration using false information is confirmed
- When required for legal or regulatory purposes
Upon account closure, any valid balance (excluding bonus funds) will generally be refunded; however, in cases of fraud, all funds may be forfeited.
11 Dispute Resolution
For any dispute or complaint, please contact the s300 support team in the first instance. We will do our best to resolve the matter within 7 business days.
- To file a complaint, email us at: support@s300.bio
- 24/7 support is available via Live Chat.
- S300's decisions shall generally be considered final.
- Any legal disputes will be settled in a court of competent jurisdiction.
12 Terms Update Policy
S300 reserves the right to update these Terms & Conditions at any time. For significant changes, we will post a notice on the website and notify you via your registered email.
Continued use of the platform after any changes will be taken as your acceptance of the updated terms. We recommend checking this page regularly.
These Terms & Conditions were last updated in January 2026.