Open Settings:
Tap Mobile Service. (This section may be called "Cellular" on some iPhones.)
Scroll to the SIMs section and find your travel eSIM.
If the eSIM line is ON:
Continue to Step 3
If the line is OFF:
Tap the eSIM.
Tap the toggle next to the "Turn On This Line".
Go back to Mobile Service settings.
Tap Mobile Data:
Select Travel eSIM.
Turn off "Allow Mobile Data Switching".
Tap < Back to return.
In Mobile Service settings:
Tap your Travel eSIM.
Turn on Data Roaming.
Return to Mobile Service.
Find your Primary number (shown with your phone number beneath its label):
Tap your Primary line.
Turn off Data Roaming.
Turn off Wi-Fi and browse the internet. As you use data for the first time, we will send you an SMS confirmation of successful activation.
Your eSIM is now active!