First, check on this list if your device is compatible with Ubigi services.
If your device is compatible with Ubigi services, it must be equipped with an eSIM or a physical SIM card:
– Your device is equipped with an eSIM: go to the next step.
– Your device is equipped with a physical SIM card: follow instructions here.
Check now if an eSIM profile is installed/pre-installed on your device. Click on:
Start > Settings > Networks & Internet > Cellular > eSIM Profiles.
At the top of the page, you can see which SIM card/eSIM are installed on your device. Ubigi eSIM profiles will be displayed as TSL-1234 (ex: TSL-0131, TSL-0199, etc.).
If you have a Ubigi eSIM profile, click on the little arrow to display more options and click on use to select it (click yes on the displayed message).