: For advanced recovery (e.g., for the MA5671A stick), flashing is often performed over a serial connection using protocols like Ymodem. Standard Upgrade Methods
Web UI (GUI) firmware upload
In commercial and managed residential environments, ISPs push firmware to Huawei ONTs automatically via an using the OMCI protocol. This method requires no manual intervention by the end-user. 💻 Third-Party & Community Modification Tools huawei ont firmware flash tool