Originally Posted by trilerian

I just updated mine to 3.07 using this process. Same as I posted above, use USB C and power the charger from your power supply. The unit will not turn on all the way, but the USB will get power from your power supply and allow the folder to pop up on your PC so you can drop the file in there. Once you copy the file, power everything off, remove the USB C and power up the charger again, it should be on 3.07.