If you see this on your device:
1. Open the Settings app.
2. Tap Network & Internet.
3. Tap SIM cards.
4. Tap Download / Install new eSIM card.
Depending on your Android device, the steps may vary. The safe option is to scan the QR code.
If you see this on another device:
1. Open the Camera app on your device.
2. Scan the QR code to install the eSIM card.