The QR code contains a one time use code, used to authenticate with the LPA server and lets you to download the SIM profile from your carrier. Once scanned and

The QR code contains a one time use code, used to authenticate with the LPA server and lets you to download the SIM profile from your carrier. Once scanned and eSIM installed, the QR code is no longer valid. The carrier must re-issue a new QR code for that SIM to allow you to load it on a different device.