After 2.9.1.b my 3DR Radio 915 does not connect. Also no GPS & ARM leds (top GPS does work). Can not arm with remote. Yet if I am on USB port, the GPS and ARM leds blink. So I wait till GPS lock, plugin battery and disconnect USB, then I can arm my Hex. Is something wrong with the 3DR Radio unit on my HEX? or ??? Don't want to fly till I find out what problem is. Anyone else with these same problems?
APM2.0 880 motors 10 inch props Hex
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Figured what was wrong, just unplugged the 3DR air Radio and all the rest
works again. Now on to diagnose the 3DR air Radio?