Connect fiber and check:
: Go to System Tools > Firmware Upgrade . Browse and select your verified dual-mode .bin file.
If you see GPON , your board is physically GPON. Flashing EPON likely fails.
It lives! 💡 Successfully forced a Huawei HG8245H (GPON) to run in EPON mode. firmware huawei hg8245h gpon to epon verified
(Image would show the router interface highlighting the "EPON" mode selection)
Once the firmware is successfully written to the flash memory, you must configure the device mode: Switching Modes via CLI Open your terminal (PuTTY) and Telnet into 192.168.100.1 . Log in with your root credentials.
Write changes and reboot:
Look for these specific versions known for stable mode switching: (Most stable for conversion) V300R013C10SPC110 (Legacy stable version)
WAP> display epon state
display deviceInfo
(Chinese forums, 2020):
To prevent connection drops during the flashing process, assign a static IP address to your computer's network interface card (NIC): 192.168.100.100 Subnet Mask: 255.255.255.0 Gateway: 192.168.100.1 3. Upload the Verified EPON/Dual-Mode Firmware