Developed support for the ZBT-Z8803BE router model within the DragonBluep/openwrt repository, expanding device compatibility on the MT7988A platform. The work involved Linux kernel and device driver development in C and Shell, focusing on device-tree integration and precise network interface configuration, including WAN, LAN, SFP+, and SIM slot mapping. Delivered a clear upgrade and flash process for end users, with comprehensive hardware specifications and operational guidance included in the documentation. The implementation enabled straightforward identification and provisioning of network interfaces, supporting rapid deployment for customers and partners while maintaining a high standard of maintainability and technical clarity.