Originally Posted by Eganwp
Ya so just an update,
I always leave the radio off for 10-20 seconds. And yes, I've toggled all switches with no success.
I performed a factory reset on the radio but no luck. Still changes every new model to ???? On power cycle.
I also tried updating the firmware incase of corruption and even another factory reset. No luck whatsoever. Still will not work at all.
I've already emailed Hitec and waiting on a reply.
Have you tried unplugging the battery?
ALso, give Hitec a call. They are pretty good about answering the phone