Zhangchao Zhang updated Bluetooth device firmware for MT7925 and MT7922 chipsets in the NVIDIA/linux-firmware repository, focusing on stability and compatibility for Linux users. He refreshed binary firmware files and meticulously updated WHENCE entries and distribution metadata to ensure accurate versioning and traceability. Working exclusively with binary languages and firmware update processes, Zhangchao maintained a disciplined approach to packaging and version control, enabling reproducible upgrades for MTK chipsets. His work addressed the need for up-to-date Bluetooth support on Linux, demonstrating depth in firmware maintenance and single-repository workflows, though the scope was limited to a single feature over a one-month period.