If you'd like to proceed, I can help you find the specific or guide you through a factory reset . Please let me know: Is your receiver currently connected to the internet ?
A "software update" in the iClass ecosystem refers to two distinct operations depending on the target: the Reader (wall-mounted device) or the Credential (card/fob). iclass k9k9 software update
For users of HID Mobile Access (BLE), this update fixes sporadic disconnection events reported with iOS 17+ and Android 14+ devices. If you'd like to proceed, I can help