> For the complete documentation index, see [llms.txt](https://docs.monogoto.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.monogoto.io/getting-started/general-device-configurations/cellular-modems/smart-cash-register-configuration-to-use-cellular-sim-as-wifi-backup-1.md).
# Nayax Nova 40
1\. Please go to **Settings**.
2\. Press on **Network & Internet**.
3\. You should see the **Mobile Network** button appear, please press on this button.
4\. When the Mobile networks open, please press on **Advanced**.
5\. Press on **Access Point Names**.
6\. Give a name to this APN, then enter APN **data.mono** and press on **Save** button.
7\. After entering APN and APN name, please scroll down and mark **Apply this profile**. This will set this new APN as a default APN in this device.
---
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