Please download the H05 Updater for your system below and follow the on-screen instructions. To ensure compatibility please use the USB to USB-C cable included with the H05.
(Guide for Linux systems can be found here.)
I'm following the onscreen instructions, but nothing is happening
First unplug your H05, plug it in again and try the on-screen instructions one more time. If it still doesn‘t work, unplug the USB-C cable again, turn it around, plug it in again, and try the on-screen instructions one more time.
H05 updater is stuck at downloading
First unplug your H05, then close the app, then plug H05 in again and open the app and follow the on-screen instructions one more time. If this doesn't help, please follow below instructions: