> For the complete documentation index, see [llms.txt](https://wallee.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wallee.gitbook.io/documentation/faq/pos-troubleshooting-and-handling/handling/how-to-activate-mobile-data-on-the-terminal.md).

# 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.