Worked on improving the stability and responsiveness of embedded console I/O in the zephyrproject-rtos/mcuboot repository, focusing on the ESP32 platform. Addressed a bug in the console_write function where large write counts could cause the loop to run indefinitely, leading to blocking conditions in constrained environments. The solution involved restructuring the write logic to process data in manageable chunks, ensuring reliable operation under heavy I/O loads. Utilized C programming and embedded systems expertise to deliver a precise, maintainable fix, accompanied by clear documentation. This work enhanced system reliability and maintainability for firmware development targeting production deployments on embedded hardware.