- Confirm your device supports eSIM.
- Confirm your device is carrier-unlocked.
- Connect to stable WiFi.
- Disable VPN temporarily.
- Restart your phone.
- Make sure the QR code has not already been installed on another device.
- Try manual installation if activation details are available.
If it still fails, contact support before deleting anything: https://ariya-mobile.eu/contact?topic=esim.