What do you see when trying to upload new files?
Prior to 2021, converting an HG8245H5 from GPON to EPON required invasive hardware modifications or swapping the physical SFP module inside the unit (which is often soldered or proprietary). firmware huawei hg8245h5 gpon to epon 2021 exclusive
Export your current configuration file via the web management page before flashing. What do you see when trying to upload new files
In many cases, flashing the firmware exposes the code but does not automatically toggle the physical hardware mode. You must force the switch using Telnet commands. firmware huawei hg8245h5 gpon to epon 2021 exclusive
Log in with superuser credentials (often telecomadmin / admintelecom ).
Click "Browse" and select the downloaded EPON firmware file.