During February 2025, Jnesselr contributed to the flipperdevices/flipperzero-firmware repository, focusing on enhancing Sub-GHz transmission reliability within embedded systems. Working primarily in C, Jnesselr addressed a bug in the tx_from_file command by correcting repeat argument parsing, which improved the accuracy of Sub-GHz transmissions. Additionally, Jnesselr refactored the NORALSY protocol rendering, simplifying the function signature and removing redundant conditional logic related to data display. This work streamlined protocol handling and reduced maintenance complexity in the firmware codebase. The contributions demonstrated a methodical approach to firmware development, emphasizing code clarity and reliability in embedded C programming for wireless device workflows.