■ What is a Digira app? "Digira app" is an application that allows you to check the remaining amount of communication data capacity used by au and easily "data charge" when the data capacity is insufficient. ■ Available terminals We have expanded the target devices for the "Digira App" that can be installed from the Google Play Store. This app can be used on smartphones and tablets running Android 5.0 or later. ■ Main functions (1) You can check the remaining data capacity. (2) Data capacity can be increased by data charge. You can charge with the received data present or with a data charge card. In addition, you can participate in the data capacity gift campaign and watch free recommended videos. * You need to subscribe to Data Charge (free of charge) to use it. * You will be asked to "access your contact information", but it is used for displaying the name in the app, and is not used for other purposes (such as sending to the outside of the terminal).