modems are designed to receive firmware updates automatically over-the-air (OTA). Users do not generally need to manually download or "flash" firmware files Manual Triggering : If you believe your firmware is outdated, performing a factory reset
If you need help accessing your admin interface or troubleshooting a specific issue (Wi-Fi dropping, connection problems, etc.), let me know and I can guide you through that instead.
: Attempting to flash unofficial firmware can void your warranty and potentially "brick" the device, especially on units provided by an ISP.