A user on a tech forum downloaded “HG8145V5_Unlock_Firmware” from a shady file host. After flashing, the device lost its GPON serial number and could not authenticate with the OLT. The only solution was an RMA (return to manufacturer).
website. Note that access to specific firmware files often requires a permission-level account associated with a valid product contract ISP Distribution : Because the Huawei Echolife Hg8145v5 Firmware Download
Once you have the correct firmware file, follow these steps to update your device. Method 1: Web Interface (Manual Update) Huawei Echolife Hg8145v5 Firmware Download