On Android devices with available eSIM feature (including Samsung, Google, etc.):
- Go Settings > Connections > SIM Card Manager > Tap "Add Mobile Plan" > Tap "Scan carrier QR code" > Tap "Enter code instead"
- Enter or copy/paste the manual activation code, provided with your QR code and looks like: LPA:1$CELITECH.IDEMIA.IO$XXXXX-XXXXX-XXXXX-XXXXX
- Tap "Connect" and follow the next steps
Please note that above instructions may slightly vary among different Android versions and devices.