Huawei Ont Firmware Flash Tool Official

Before resorting to extreme measures, try these "semi-brick" recoveries:

This is the gold standard. Most "flash tool GUIs" are simply wrappers that automate these U-Boot commands. Huawei Ont Firmware Flash Tool

This is the most advanced method and is essentially the "last resort" for unlocking devices. It involves opening the ONT casing and connecting to the circuit board directly. Before resorting to extreme measures, try these "semi-brick"