Open a browser and enter the default IP: 192.168.100.1 (or 192.168.1.1 ).
Here is a step-by-step guide to upgrading the firmware of Huawei HG8245H GPON to EPON: firmware huawei hg8245h gpon to epon
Open the HG8245H case (carefully) or log into web interface ( 192.168.100.1 user: root / admin or telecomadmin / admintelecom ) and check: Open a browser and enter the default IP: 192
You need an that allows changing the fiber mode. Standard ISP firmware hides this option. firmware huawei hg8245h gpon to epon