If the web interface is bricked or password-locked:
: 2.4GHz Wi-Fi (802.11b/g/n) with support for multiple SSIDs. firmware gm219-s xpon
If the LOS (Loss of Signal) light turns red after an update, the ONT may have lost its SLID or PON password settings. You will need to re-enter these from your ISP dashboard. Conclusion If the web interface is bricked or password-locked: : 2