If you have obtained a valid firmware file (usually named something like I240WA_V3.30L.03.05.bin ), follow this procedure meticulously.
A detailed 7368 ISAM ONT Product Guide is available through third-party repositories like Elisa . 2. General Firmware Update Procedure
: Accessed via the router's internal IP address (typically 192.168.1.1 ) to adjust settings like WiFi passwords and parental controls.