To use the StaffTraveler eSIM, your device must be eSIM compatible. You can find the list of supported devices here. You can also verify if your phone supports eSIM by checking the settings on your device.

For Android devices:

Go to your phone's settings > “Connections” > “SIM Manager”

For iOS devices:

Go to your phone's settings > “Mobile Service”

If you see an option to add an eSIM, your device is eSIM compatible.