From deposits to withdrawals, bonuses to account security — the 399db Help Center has you covered around the clock.
Select a category below
All your questions about bKash, Nagad, Rocket & bank transfers.
18 GuidesWithdrawal methods, processing times, and troubleshooting.
14 GuidesRules for using welcome bonuses, cashback, and vouchers.
22 GuidesProfile updates, password changes, and verification.
16 GuidesAccount security, encryption, and data policy.
11 GuidesA guide to understanding the rules and odds across different games.
25 GuidesApp download, installation, and technical troubleshooting.
9 GuidesSelf-limit, session timer, and support center information.
7 Guides
Making a deposit at 399db is quick and straightforward. All of Bangladesh's most popular mobile banking services are supported directly. Just follow the steps below for a hassle-free deposit.
Log in to your 399db account. Click the "Sign In" button in the top menu or on the homepage.
Go to your dashboard and select the "Deposit" option. You'll find it in the left-hand menu or the top navigation bar.
Choose bKash, Nagad, or Rocket — whichever you prefer. All methods support a minimum deposit of ৳100.
Enter the amount you wish to deposit. If you have a voucher code, add it here to claim your bonus.
Once you click "Confirm", an OTP will be sent to your mobile. Enter it to complete the deposit — your balance will typically update within 1–5 minutes.
| Method | Minimum | Maximum | Processing Time |
|---|---|---|---|
| BKash | ৳100 | ৳50,000 | Instant |
| Nagad | ৳100 | ৳50,000 | Instant |
| Rocket | ৳200 | ৳25,000 | Instant |
| Bank Transfer | ৳1,000 | ৳5,00,000 | 1–3 Hours |
| Crypto | ৳500 | Unlimited | 10–30 Minutes |
Average Response Time: 3 Minutes
Many people assume withdrawing winnings from 399db is a lengthy process. In reality, it's quite straightforward. Whether you're placing bets from a tea garden in Sylhet or anywhere else, withdrawing to bKash is simple and hassle-free.
Please note: Account verification must be completed before your first withdrawal. Uploading a photo of your National ID is mandatory.
From your dashboard, click the "Withdraw" button.
Choose how much you want to withdraw and select your preferred method (bKash / Nagad / Bank).
Double-check that your bKash or Nagad number is correct. Recovering a transfer sent to the wrong number can be very difficult.
Confirm your request using the OTP sent to your registered number. Funds will be credited within 15 minutes to a maximum of 24 hours.
399db's support team is available 24/7, every day of the week
For the fastest support, use Live Chat — average response time is 3 minutes.
Currently ActiveFor complex issues, send us a detailed email. We typically respond within 2–4 hours.
support@399db.bizPhone support in Bangla is available from 9:00 AM to 12:00 AM. During peak hours, there may be a short wait.
9:00 AM – 12:00 AM
Questions are a natural part of using any online platform. From Cumilla to Cox's Bazar, Sylhet to Rajshahi — 399db users from every corner of Bangladesh visit the Help Center every day. Some come with deposit questions, some about bonuses, and some simply want to know how secure the platform really is.
The 399db Help Center was built with one goal in mind — to make sure no user ever feels alone or confused. A trained Bengali-speaking support team, in-depth video guides, written tutorials, and 24/7 Live Chat are all here whenever you need them.
Many people are stepping into the world of online betting and casino for the first time. For them, the 399db Help Center offers beginner guides that start from scratch — how to play on mobile, which games are easiest for new players, and how much of a budget to start with. All the basics are covered here.
Playing the lottery from a beachside spot in Cox's Bazar is now as easy as picking up your phone. And for any issues along the way, the 399db Help Center is right there with you. Just click the Live Chat button — our support team will take care of the rest.
399db never compromises on security. Every user's personal information and financial data is protected with the highest level of SSL encryption. If you notice any suspicious activity or suspect your account has been compromised, contact the Help Center immediately — your account can be frozen within 5 minutes.
Bonus terms and conditions can be confusing, especially when it comes to wagering requirements. If you're having trouble making sense of them, use the "Bonus Calculator" tool in the Help Center — it instantly shows your bonus amount and exactly how much you need to wager before you can withdraw.
399db takes responsible gaming seriously. The Help Center has a dedicated section covering self-exclusion, daily spending limits, and cooling-off periods. There's no shame in using these features — in fact, doing so is a sign of a responsible player.
399db uses top-tier 256-bit SSL/TLS encryption. This means that every time you log in or make a deposit, your data is encoded in a way that makes it virtually impossible for any third party to intercept or read.
For financial transactions, 399db never stores your full bank or mobile banking details on its servers. All payments are processed directly through certified payment gateways.
399db follows international data protection standards. Your personal information is never sold or shared with third parties. To learn more, Privacy Policy Read.
There are three main ways to contact 399db:
After 12:00 AM, only Live Chat and email remain active. Responses may be slightly slower in the early morning hours.
Responsible Gaming: 399db believes gaming should be enjoyable, not stressful. If you feel like things are getting out of control, please Responsible Gaming Browse the page or reach our help center right away. For users aged 18+ only.
399db's support team is here for you right now. Start a Live Chat or create a new account and get help instantly.