Worked on enhancing the reliability of embedded file operations within the nrfconnect/sdk-zephyr repository, focusing on the file system management component. Addressed a critical area by implementing robust error handling for file closure failures, ensuring that explicit failure signals are generated and propagated to upstream callers. This approach reduced the risk of silent failures and improved diagnosability during storage-heavy workflows. Leveraged C programming and embedded systems expertise to forward return values from file closure operations, enabling more precise error handling and easier debugging. The work contributed to greater stability and observability in embedded storage management, aligning with platform reliability goals.