When an app download is started on the Samsung device, if connected, it will be downloaded via WLAN. If there is no connection to the WLAN network, the app will be downloaded via the mobile data. Using the Google Play Store settings, we can instruct that apps can only be downloaded via WLAN.
- Open the Play Store
- Open the menu
- Open the Settings
- Tap on App download preference
- Choose between Over any network, Over Wi-Fi only and Ask me every time