What are you using (Windows 10, Windows 11, Android)?
Error: "Device Not Registered" / "Device Serial Number Invalid" secugen device registration
If you need to narrow down a specific problem or register your device for a unique platform, let me know: What are you using (Windows 10, Windows 11, Android)
If you are using a specific model like the SecuGen Hamster Pro 20 (HU20) for Aadhaar, follow this step-by-step guide: What are you using (Windows 10
The RD Service subscription for the device serial number has ended.