there is a firmware update for the kontroller
http://www.tarot-rc.com/index.php?main_page=page&id=14
zhang
email:zhangdanchen@hotmail.com
skype;zhangdanchen
facebook :www.facebook.com/profile.php?id=100004645114287
if everyone at Debugging zyx-gs have problems please look this video
https://www.youtube.com/watch?v=k3F2_srSllw&feature=youtu.be
zhang
email:zhangdanchen@hotmail.com
skype;zhangdanchen
facebook :www.facebook.com/profile.php?id=100004645114287