If you proceed, look for a file named HG8245H_V300R017C10SPC150_dual_mode.bin (example only). Always verify MD5 checksums from trusted sources.
: An Ethernet cable connected to LAN Port 1 of the HG8245H, and a USB-to-TTL serial adapter (PL2303 or CH340) if you need to recover the device via the hardware root board.
Check the sticker on the bottom of your device. Look for revisions that mention dual-mode or specific chipsets (like Hisilicon) capable of switching modes.
Warning: Modifying ONT firmware carries a high risk of bricking the device and violating ISP terms of service. Step 1: Identifying the Hardware Version
只要做好数据备份，耐心按照上述步骤（模式切换配合光模块修正）进行操作，你的华为HG8245H完全可以在电信、联通或移动的EPON线路中稳定发光发热。如果你在操作中遇到“命令不存在”或注册失败的情况，请优先检查固件权限是否完整，或尝试刷新文中提及的 V300R016C10SPC138 等相关稳定版固件。 firmware huawei hg8245h gpon to epon
Browse and select your downloaded . Click Start in the tool window.
The Huawei HG8245H is one of the most popular Optical Network Terminals (ONTs) used by ISPs worldwide. By default, these devices come locked to a specific PON standard—either or EPON .
在 WAP 或 SU_WAP 提示符下，使用 set upport mode 命令。这是最直接的方法：
While holding Reset, power on the device. Keep holding the button for 10–15 seconds until the LED lights flash in a specific sequence (usually all lights flash or blink synchronously). If you proceed, look for a file named
: Open a web browser and enter the router's IP address (typically 192.168.100.1 192.168.1.1 Navigate to Upgrade Tools System Tools Firmware Upgrade Upload File : Click "Browse" or "Firmware File," select your firmware file, and click Wait for Reboot
: An application like PuTTY to execute low-level configuration commands.
Check if the stops flashing and stays solid green, indicating a successful handshake with the local EPON OLT. Troubleshooting Common Failures
Set a static IP on your PC (e.g., 192.168.100.2 , subnet 255.255.255.0 ). Run the configuration tool to force-open port 23 (Telnet). Step 3: Changing Mode via Shell Commands (If Dual-Mode) Check the sticker on the bottom of your device
: When a GPON-based network infrastructure is acquired by an ISP utilizing EPON OLTs (such as those from ZTE, FiberHome, or BDCOM).
What is the current or firmware build number listed on your web status page?
WAP> save data WAP> reboot