Firmware upgrade to 0.5.2usb disappear, brush 0.5.1 firmware completely normal, solve the problem

Firmware upgrade to 0.5.2usb disappear, brush 0.5.1 firmware completely normal, solve the problem,Ask for help。

Seems to be a bug in 0.5.2. We plan to release a bugfix for this at 0.5.3 so please wait. If you get any errors please tell us what errors you get.

Thank you very much :+1: