The ZTE MF79U is a widely used mobile broadband modem that provides high-speed internet access to users. However, its performance and connectivity can be hindered by outdated firmware, leading to issues such as slow data transfer rates, dropped connections, and limited compatibility with various networks. This paper proposes a solution to enhance the ZTE MF79U firmware, aiming to improve its performance, stability, and compatibility. We discuss the current limitations of the existing firmware, propose a framework for firmware upgrade, and outline the benefits of the upgraded firmware.