My MobiFone is a smart application that provides convenient management of MobiFone account information, easy registration of packages and services, and quick updates on promotional programs. With the app, users can easily log in using SMS OTP, 3G/4G MobiFone, or Facebook/Google accounts. The app features a visually intuitive management of MobiFone account balance, quick payment via bank account, and Autopay registration for automatic credit top-up or postpaid monthly bill payment. Users can also easily recharge their accounts by scanning MobiFone card QR codes and quickly register for packages and services that suit their needs. The app provides notifications on promotional programs and suggests packages for each customer. My MobiFone also offers fingerprint/face authentication for online payment and bill checking, and users can manage multiple phone numbers on a single app. With the app, users can also register for the Long-term Connection program, exchange points for MobiFone services, and receive e-codes for partner programs. Users can update their prepaid subscriber information according to the regulation of Decree 49 of the Government. In case of difficulties during installation or use, users can contact the hotlineor email for assistance.