I understand, so I guess I have to "backup" the old way with just pen and paper before flashing ER9X.
I did this last week so I'm not sure I did it, but I think I actually tried to flash ER9X and I was getting the same SCK error.
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please help me move this topic if this is not the right subforum. What I want to do is connect my 9xr to my pc to backup my models and probably flash er9x/opentx afterwards but eepe gives me an SCK error when trying to download models (I also tried flashing er9x directly with the same outcome) I've ...