It is essential that Data Roaming is enabled in order to use the eSIM. You can turn on and off your Data Roaming in your settings. Turning on your Data Roaming will allow any eSIM to work with your device.
Turning Data Roaming On
1. Go into Settings and tap on Network & Internet.
2. Tap Mobile Network.
3. Make sure this option is enabled in order for the eSIM to work. If the toggle is white as shown below, make sure to tap it so it turns blue.
4. A confirmation screen will be shown.
5. If the toggle is blue as shown below, then Data Roaming is enabled.