Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
R
@udotz have you tried to use M5Burner and then "erase" before new firmware? also try to load just simple arduino example or M5 EasyLoader for this device
