山口銀行 is the official app provided by Yamaguchi Bank, allowing users to safely access their "Yamagin Internet Mobile Banking" from their smartphones. With this app, users can enjoy a range of features and services to manage their finances conveniently.

The app's main features include the "Smartphone De Tsucho" feature, which allows users to access their electronic passbook directly from their smartphones. Users can also check their account balances, view transaction details, make transfers and payments, register or change their email address, update their login password, perform security checks, and scan for viruses.

To use the "Smartphone De Tsucho" feature, users need to register their account with a Yamaguchi Bank cash card. It's also necessary to apply for "Yamagin Internet Mobile Banking" before using the app. For enhanced security against phishing attacks, users need to grant permissions to the "User Assistance Service" on their Android devices. This service is only used to retrieve information from visited websites, ensuring the authenticity of the website and protecting personal information.

The app is compatible with Android 5.0 and later versions, providing a user-friendly experience for Yamaguchi Bank customers.

For any inquiries, users can contact the Yamaguchi Bank customer support at the toll-free numberThe customer support is available on weekdays from 9:00 AM to 9:00 PM and on weekends and holidays from 9:00 AM to 5:00 PM (excluding January 1st to 3rd, May 3rd to 5th, and December 31st).