After the device restarts, you must verify that the installation succeeded and ensure the ONT is running smoothly. Verify the Firmware Version
Follow this sequenced workflow carefully to execute the update. Phase 1: Backing Up Current Settings
It fixes "memory leaks" that cause the router to slow down or require frequent restarts.
Not all firmware is created equal. When searching for an upgrade, avoid random files found on obscure forums. A firmware update for the HG8245Q should meet these criteria:
Note: Huawei requires an enterprise or partner account to download carrier-grade ONT firmware. If your account does not have permission, proceed to Option B. Option B: Contact Your Internet Service Provider (ISP)
Re-download the firmware source file. Check the MD5 checksum if provided to ensure the file integrity is completely intact. Unstable Post-Upgrade Behavior
Go to and select Manual online update or toggle Auto update for off-peak hours. 3. Advanced Manual Installation
Use the physical reset button on the back of the ONT (hold for 10-15 seconds) to revert to the default settings and clear any configuration conflicts.
: Installing incorrect firmware versions can make the device inoperable.
Fixes code glitches that cause intermittent connection drops or lag.
The HG8245Q is a workhorse GPON terminal, but stock ISP firmware is often outdated. Upgrading to a newer, high-quality revision offers three major benefits:
If you need help configuring your network parameters after the flash, let me know: Your name If you use IPTV or VoIP phone services through the router The exact version code of the firmware you just installed
The correct firmware file typically carries a .bin or .efs extension. Step 3: Switch to a Wired Connection
The Huawei HG8245Q is a high-performance Routing Type ONT (Optical Network Terminal) used in GPON scenarios. It is widely recognized for its robust Wi-Fi capabilities, including dual-band support (
A momentary spike in wireless interference can corrupt the data transfer stream, disrupting the flashing process and ruining the device. Connect your computer directly to LAN Port 1 or LAN Port 2 of the HG8245Q using a high-quality Cat5e or Cat6 Ethernet cable. Step-by-Step HG8245Q Firmware Update Procedure
: Addresses known vulnerabilities like WPA2 Key Reinstallation (KRACK) and DNSMASQ vulnerabilities.