How to perform a firmware update with the MB Pro

If the MB Pro is connected to a PC via the charging cable, it will not be possible to perform a firmware update.

To perform a firmware update, the MB Pro must be connected to the PC via the USB port located under the ear pad on the side of the headset with the microphone boom arm. 

It is necessary to remove the ear pad to reveal the USB port, and then connect it to the PC via a micro USB to USB cable. 



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