Download Hubsan H502E and H502S firmware

On this page you can download the H502E-H502S Firmware This is the latest version available 2.1.35. NOTE: INSTALLING 2.1.35 ON A NON COMPATIBLE BOARD WILL BRICK IT! I had enough people trying to update a non compatible board blaming me for spreading faulty firmware, and destroying the hobby of someone. I will never, ever spread things […]