The official site explains that the bank changed its name to Docomo SMTB Net Bank on August 3, 2026, and identifies its former name, Sumishin SBI Net Bank. It presents personal and corporate services including app-based account opening, yen and foreign-currency deposits, purpose-based accounts, loans, and securities-account links. The site describes app-based ATM access, Kotora transfers, d-point rewards through its Smart Program, Smart Authentication NEO, and transaction monitoring. Visitors can check rates, fees, campaigns, branch information, FAQs, support, and press releases. Account opening is available to customers who do not use Docomo services as well.