What happens if you try to re-install your eSIM in a different device?

Your eSIM can only be used in one device. Once installed, it cannot be installed again in any other device. If you try to do so, you will see the following errors.
1

Apple (iOS) Devices

Here is the image for your reference if you try to install and already installed eSIM in your Apple device

2

Android Devices

Here is the image for your reference if you try to install and already installed eSIM in your Android device