This method is universal and works for nearly all HG8145v5 variants, including ISP-locked ones.
Updating the Huawei EchoLife HG8145V5 firmware is critical for improving network security, fixing software bugs, and enhancing Wi-Fi stability. As this device is a dual-band GPON ONT (Optical Network Terminal), updates are often managed directly by your Internet Service Provider (ISP) to ensure compatibility with their fiber network. Methods for Updating Firmware