From bKash, Nagad, and Rocket to bank transfer — deposit and withdraw funds at 3999b in just a few minutes using any payment method you prefer. No hassle, no hidden charges.
Funds credited to your account within 1–5 minutes with most methods
Every payment secured with 256-bit SSL
Deposit and withdraw in BDT — no currency conversion hassle
24/7 Bangla Live Chat for any issues
How to Deposit at 3999b — All Methods & Limits at a Glance
Bangladesh's most widely used mobile banking service. Deposit from as little as ৳100 — funds typically appear in your account within 2–3 minutes.
The official digital wallet of Bangladesh Post Office. Deposit from ৳100 with instant processing and no extra fees.
Dutch-Bangla Bank's mobile banking service, with an extensive network across the country — especially convenient for users in rural areas.
Major banks including Sonali, Janata, and Islami Bank are supported. Minimum deposit ৳500, with processing times of 15–30 minutes.
UCB's digital payment platform. Deposit from as little as ৳100, with transactions typically completed in under 5 minutes.
USDT (TRC20/ERC20) supported. Minimum 10 USDT with instant confirmation. Ideal for high-value transactions.
Deposit in just 4 steps — the entire process takes under 5 minutes
Log in to 3999b using your registered mobile number and password.
Click the 'Deposit' button from your dashboard or wallet menu.
Select your preferred payment gateway (bKash, Nagad, etc.) and enter the amount.
Once your payment is confirmed, your balance updates instantly — then you're ready to play.
Withdrawing your winnings at 3999b doesn't mean a long wait. Most withdrawal requests are processed within 5 to 30 minutes, and even faster for verified accounts.
Withdrawals must be made using the same payment method you deposited with — this is a mandatory security requirement. The minimum withdrawal amount is ৳300 for both bKash and Nagad.
Mobile Banking: 5–30 minutes
Bank Transfer: 1–3 hours
Crypto: 15–45 minutes
BKash / Nagad: ৳300
Rocket / Upay: ৳300
Bank Transfer: ৳1,000
Minimum and maximum amounts for all payment methods at a glance
| Method | Minimum Deposit | Maximum Deposit | Minimum Withdrawal | Maximum Withdrawal | Processing Time |
|---|---|---|---|---|---|
| BKash | ৳100 | ৳50,000 | ৳300 | ৳30,000 | 2–5 minutes |
| Nagad | ৳100 | ৳50,000 | ৳300 | ৳30,000 | 2–5 minutes |
| Rocket | ৳100 | ৳30,000 | ৳300 | ৳20,000 | 5–15 minutes |
| Upay | ৳100 | ৳25,000 | ৳300 | ৳15,000 | 5–10 minutes |
| Bank Transfer | ৳500 | ৳5,00,000 | ৳1,000 | ৳5,00,000 | 15 minutes – 3 hours |
| USDT (Crypto) | 10 USDT | Unlimited | 10 USDT | Unlimited | 15–45 minutes |
Many people have questions about payments on online betting platforms — how safe is their money, how long do transfers take, are there any fees. 3999b always aims to answer these questions honestly and clearly.
3999b's payment gateway connects directly to the official APIs of bKash, Nagad, and Rocket, meaning your transactions don't pass through any unintended third parties. After every deposit, you'll receive an SMS confirmation on your mobile as well as an instant notification on your dashboard.
3999b follows one important rule for withdrawals — you must withdraw using the same method you used to deposit. This is mandatory under international standards to prevent money laundering and keep your account secure.
A question new players often ask is: are there any deposit fees? 3999b's answer is straightforward — no, the platform does not charge any deposit fees. However, your mobile banking operator (such as bKash or Nagad) may apply their own service charges at their standard rates.
If your balance doesn't appear within 15 minutes of depositing at 3999b, save your transaction reference number and contact us via Live Chat. Our payment team typically resolves issues within 10 minutes.
As a safe payment practice, 3999b recommends always using your own mobile banking account. Using someone else's account may cause issues when withdrawing. Having a verified account also speeds up the withdrawal process.
How your money stays safe at 3999b
Every transaction is secured with bank-grade encryption, keeping your data completely out of reach from third parties.
Player funds are held in a fully segregated escrow account, completely separate from the operator's business funds.
The identity verification process prevents fraud and ensures withdrawals are made only by the account's rightful owner.
You'll receive SMS and in-app notifications for every transaction, so any unauthorised activity is flagged immediately.
A few things to keep in mind for a smooth payment experience
Always transact using a mobile banking account registered in your own name.
Save the reference number for every deposit — it makes resolving any issues much quicker.
A poor connection during payment can cause a transaction to fail — simply try again if this happens.
Enabling 2FA from Account Settings helps prevent unauthorized withdrawals.
On busy match days, deposit confirmation may take an extra 5–10 minutes due to high server load.
Frequently Asked Questions About 3999b Payments
Open a free account at 3999b and claim a special bonus on your first deposit. You can start with as little as ৳100.