C) CLI / Serial / TFTP (advanced)
Upgrading the firmware for a is generally handled through the official Huawei support portal or your Internet Service Provider (ISP). Because these devices are Enterprise-grade Optical Network Terminals (ONTs), direct firmware downloads often require specific account permissions. Firmware Download & Upgrade Steps huawei hg8245 firmware upgrade download full
Based on community feedback (2023-2025), these are the most stable "full" downloads: C) CLI / Serial / TFTP (advanced) Upgrading
