It is essential that Data Roaming is enabled in order to use any 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 on Data Roaming
1. Go into Settings and tap on Mobile Network.
2. Tap Mobile Data.
3. Scroll down until you see the toggle for Data Roaming. If the toggle is white as shown below, be sure to tap it so it turns blue.
4. If the toggle is blue as shown in the below then Data Roaming is enabled.