Once you have secured a legitimate firmware file, follow this process carefully. A failed firmware flash can brick your device.
Without a specific manufacturer, I can't provide a direct link. However, here are some hypothetical examples based on common brands: ibwrb304n firmware update link
Inovance IBWRB304N 4G industrial router, firmware updates are managed through the Inovance Support & Download Center Once you have secured a legitimate firmware file,
Once you have downloaded the .bin or .zip file from the firmware update link, follow these steps: follow these steps: