Huawei classifies ONT firmware as enterprise software. The official Huawei Support website requires an enterprise account with verified product entitlements to download software binaries ( .bin or .efs files). Public, free registration accounts cannot access these downloads. How to Safe Download the Firmware
Search for or navigate through Product Support > Enterprise Network > Access Network > Enterprise Access ONT . Select the Software Download tab. huawei hg8145v5-v2 firmware download
: Resolves random reboots, device drops, and overheating issues caused by software glitches. Huawei classifies ONT firmware as enterprise software
If you are looking for firmware specifically to unlock the router (remove ISP locks), be aware that modern Huawei V5 firmware versions have enhanced security (anti-rollback protections) that make downgrading to older, unlockable versions very difficult or impossible. unlockable versions very difficult or impossible.