black4dFrequently Asked Questions

Users accessing black4d from Android or iOS browsers ask questions across several core areas: account creation and identity verification, deposit and withdrawal methods including DANA, e-wallet, mobile banking, and local bank transfers, how our games and betting markets work, and what controls we provide to manage account security. This page answers the most common questions we receive from new and returning users.

The FAQ page resolves straightforward technical and procedural questions — how to verify your identity, which payment methods we accept, what happens if a deposit fails, and what time windows our support team operates. If you have a question that is not answered here, or if you need help with a specific transaction or account issue, our support team is available to assist during published hours.

For questions about legal jurisdiction, service availability, or account eligibility, please refer to our legal notice page. For full account terms, bonus terms, and gameplay rules, visit our terms and conditions page. Those pages contain detailed policy information that governs how black4d operates and what responsibilities you hold as a user.

Account and registration

We require one form of government-issued photo ID and proof of address. The photo ID must be a valid passport, national ID card, or driver's license issued by your country or state. Proof of address can be a utility bill, bank statement, or official letter dated within the past three months. If you live in Jakarta, Surabaya, or other major Indonesian cities, a utility bill from your local provider satisfies the address requirement. Documents must be clear, readable, and show your full name matching your account name. If your ID is not in English, we may ask for a certified translation. Upload documents directly from your mobile browser; we process them within 24 hours. If a document is rejected, we notify you of what is missing so you can resubmit.

During registration, you provide your email address, choose a username and password, enter your full legal name, date of birth, phone number, and residential address. The email must be active because we send a verification link to confirm your account. Your username and password are used to log in to black4d. Your full name must match the name on your identity document for KYC verification later. Your phone number is used for account recovery and support contact. Your residential address is required for jurisdiction verification and must comply with the law in your location; if you are outside supported jurisdictions, account opening is not permitted. All fields must be accurate; false information during registration results in account closure.

Our live chat team is available during published support hours, which are displayed in your account settings. Support hours may vary by day and are adjusted around major holidays such as Idul Fitri and Idul Adha. Outside published hours, you can submit a support ticket through your account, and a team member will respond within the stated timeframe. If your question is urgent and you are outside support hours, check the FAQ or refer to your account transaction history; many issues resolve without immediate agent contact. During peak periods, chat wait times may be longer than usual. We do not guarantee same-minute response times.

Payments and transactions

Yes, black4d accepts deposits and withdrawals via online payment, e-wallet, mobile banking, and local payment bank transfers. When you deposit, select the bank transfer option and you will see our account details. Transfer the amount from your personal bank account; your transfer must include your account username in the reference field so we can match the deposit to your account. Bank transfers typically clear within 1-2 hours on business days, though processing time depends on your bank and network load. For withdrawals to your online payment, e-wallet, mobile banking, or local payment account, submit a withdrawal request specifying your account number and bank name. Withdrawals are processed during business hours and transferred within 24 hours. We charge no processing fee for bank transfers, but your bank may charge a small fee for the outbound transfer.

If a deposit does not complete, the funds remain in your personal account or payment app (online payment, e-wallet, mobile banking, local payment, or bank). Check your online payment, e-wallet, or mobile banking app transaction history to confirm whether the money left your account. If it did, open a support ticket and provide the transaction reference; we can trace the payment and credit your black4d account manually. If the funds did not leave your account, try the deposit again using the same payment method. If you receive an error during deposit, note the error message and report it to support. For withdrawals that fail, common causes include incorrect account number, a bank holiday, or account verification issues. Check that your withdrawal account details are exactly correct, and retry. If a withdrawal repeatedly fails after three attempts, contact support with your withdrawal request reference; our team will investigate and may request updated bank account information.

Game rules

RTP stands for Return to Player and is a percentage that describes the average amount a slot game pays back over a large number of spins. For example, if a game has an, it means that over tens of thousands of spins, the game returns an average of non-specific info of all money wagered and keeps non-specific info as the house edge. RTP is calculated over the long term, not per session; in any single session, your results will vary. black4d displays the RTP for each slot game (Aviator, Sweet Bonanza, Gates of Olympus, Fortune Tiger, Mahjong Ways) in the game details. Higher RTP does not mean higher winnings in your next spin; it is a statistical measure. RTP varies by game and is set by the game provider. We do not adjust RTP, and we do not guarantee any return on your wagers.

Bonus offers on black4d vary by promotion period. A typical welcome offer provides bonus credit when you deposit; the credit amount depends on your deposit size and is subject to a playthrough requirement, which means you must wager the bonus amount a set number of times before you can withdraw it. Playthrough requirements are stated in the bonus terms for each offer. Weekly cashback offers return a percentage of losses in the previous week as credit, credited automatically on a set day. Referral bonuses reward you when a friend you refer creates an account and makes a deposit. Tier-progression bonuses increase as you reach higher membership tiers through cumulative wagering. No bonus is guaranteed, and all bonuses are subject to eligibility terms. You can only claim one welcome offer per account. Bonus terms are always displayed before you claim; read them carefully. Unclaimed bonuses expire after stated periods. If you have questions about an active bonus, contact support.

Security and account care

Your black4d account includes several control tools. You can change your password at any time from the account settings. You can view and update your personal information (name, phone, address). You can set a login PIN that adds a second verification step when logging in from a new device. You can review your complete transaction history, including deposits, withdrawals, and all wagering activity. You can manage your registered payment methods and add or remove bank accounts and e-wallets (local payment, online payment, e-wallet, mobile banking). You can contact support to request temporary account restrictions or permanent closure if needed. All these tools are accessible from your account dashboard in your browser or mobile app. If you forget your password, use the "Forgot password" link on the login page, which sends a reset link to your registered email. If you suspect unauthorized access, change your password immediately and contact support.