Well I couldn't get 5.6 to work, so I uninstalled 5.6 and 5.3.1 both and recompiled 5.6 as root. It still did not work. No braille came to my hims u2. Sooo I did make uninstall then apt-got brltty again. Yikes, now is says " no key bindings " and my braille keys have no effect. What to do?