Open the email your received on a different device to scan the QR code with your smartphone
Open your phone’s Settings and select Network & internet
Select SIMs on the Network & internet screen
Select Download a SIM instead? on the Connect mobile network screen
Select Next on the Download your SIM screen
Scan your QR code you received on your email, on the Scan QR code from network screen
Click Download when the system asks for the provider network
Tap on the Settings to activate the plan when the download is finished
Finally, click Yes to activate the plan
Optional: Enable data roaming in network settings if you bought a travel plan