Firmware Gm220-s Info

Access the web interface of the GM220-S (usually by typing 192.168.1.1 or a similar gateway IP into a browser). Login and look for a "System Status" or "Device Info" tab. Note the current firmware version.

Boot & update

Peripherals & drivers

While the hardware supports both standards, regional carrier firmware frequently locks the modem into a singular mode. Reflashing allows the end-user to manually enforce EPON or GPON compatibility depending on the upstream Optical Line Terminal (OLT) deployed by the local infrastructure provider. 3. Transitioning from Route Mode to Bridge Mode Firmware Gm220-s