How to activate mobile data on the terminal
Click on the settings button on the bottom right > Device Settings > 2005 > GSM Configuration visible?
If not:
Android Applications > Settings > Network & Internet > Wi-Fi OFF
Mobile Network:
- Mobile Data: On
- Roaming: On
- Always-on Mobile Data: On
Sometimes the APN needs to be configured if the connection still cannot be established. Click Advance and scroll all the way down to Access Point Names > make sure Wallee (wsim) is selected.