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3700 Promotions — Bonuses and Offers for Players in Bangladesh

From welcome bonuses to weekly cashback—all promotions in one place at 3700. Open an account and get bonuses right from your first deposit.

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A young Bangladeshi woman enjoying the Lucky Draw promotion in Rangpur
Welcome Bonus Weekly Cashback Free Spin Offers Sports Betting Bonus Voucher Code Loyalty Rewards Flash Offer Eid Special Bonus Welcome Bonus Weekly Cashback Free Spin Offers Sports Betting Bonus Voucher Code Loyalty Rewards Flash Offer Eid Special Bonus

What you need to know before understanding bonuses

To make the most of promotions, understanding two main concepts is essential.

Deposit Bonus
Get extra funds at a set rate when you deposit money into your account.
Example: Deposit ৳ 1000 and get a 100% deposit bonus, giving you a total balance of ৳ 2000. You must meet the required wagering before withdrawing the bonus amount.
Cashback Offer
Opportunity to get a set percentage back on net losses during a specific period.
Example: If you lose ৳ 500 in a week, you get 10% cashback of ৳ 50. Cashback is usually credited directly to your wallet.

Current promotion types

A brief overview of promotions available at 3700.

Welcome Bonus

Extra bonus on first deposit for new accounts. As soon as you open a new account This offer is automatically applied.

Weekly Cashback

Cashback is given every Monday based on net losses from the previous week. This is especially beneficial for regular players.

Free Spin Package

Free spins are awarded during new slot launches or special events. Winnings are credited as bonus balance.

Sports Reload Bonus

Special bonuses are also offered again during major cricket or football tournaments. In the Sports Betting section View current offers.

Voucher Code

Enter special codes to get instant bonuses. Active voucher list In the Voucher section Available.

Festive and seasonal offers

Exclusive promotions run during Eid, Pohela Boishakh, and special cricket seasons. Keep push notifications on to stay informed in advance.

How to benefit from promotions

Step-by-step guide on what to do when you first visit the promotion page.

1
Create Account

A registered account is the first requirement to receive promotions. Register for free Complete it in just a few minutes using your mobile number or email.

2
View the full list of promotions

All active offers can be seen under the promotion section after logging in. Each offer clearly states terms, duration, and applicability.

3
Activate Bonus

Click the “Activate” button on your chosen promotion or enter a voucher code if you have one. Some offers apply automatically.

4
Withdraw after meeting terms

You must meet the required wagering conditions before withdrawing bonus funds. See full details of terms. On the Terms & Conditions page Available.

Tourists enjoying the 3700 casino promotion during Pohela Boishakh at Saint Martin

Why festival offers are special

3700 runs special promotions during Eid, Pohela Boishakh, and BPL season in Bangladesh. Bonus rates and free spins are higher than usual during these times.

Festival promotions often include tournaments or leaderboards where top players win extra prizes. These events are time-limited, so keep notifications on before they start.

Sports bonuses run separately during the Cricket World Cup or IPL. At that time, In the Sports Betting section Active offers are visible as soon as you log in.

Easy ways to avoid missing promotions

Many users miss limited-time offers because they don’t check the promotion page. Keep push notifications on in the app to get instant alerts when new promotions launch.

Voucher codes are kept separate—in a section outside the promotion page. In the Voucher section Available. Use the code before it expires.

Taking bonuses without reading terms can cause withdrawal issues. Click the "Terms & Conditions" link below each offer for full details.

Go directly from here

Tap the icon below to quickly access related promotion sections.

Open an account now to get a first deposit bonus

Registration at 3700 is free. Open an account, deposit BDT, and start playing with a welcome bonus.

Register for free Go to My Account

General questions about promotions

Welcome bonus is automatically applied on your first deposit after creating a new account. A minimum deposit is required and the bonus must be activated. Registration page Start from here.

No, you must meet wagering requirements before withdrawing bonus funds. Details are listed under each promotion. Usually, withdrawal is allowed after betting a set multiple of the bonus. Learn more Terms & Conditions page View now.

Usually, only one promotion or voucher is active at a time. However, some offers are automatic and can be combined with voucher codes. Check the specific offer’s terms. See voucher list In the Voucher section Available.

Weekly cashback is generally credited every Monday morning to wallets based on the previous week’s account. Eligibility may require minimum net loss or wagering criteria.

Yes, sports and casino bonuses work separately. Sports bonuses apply only to betting wagers, and casino bonuses only to games. Read each offer’s details carefully to choose the right one.

For any promotional issues, contact support via the app’s live chat or email. Support is available seven days a week. For general inquiries, In the FAQ section Answers available.
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