Note: When you click the links below to download the firmware, it indicates that you have already read and agreed to the Open source licenses.

FiiO USB DAC driver: Click here

How to update the XMOS firmware for K7 BT: Click here

Please do not update this firmware if you are not planning to turn off the RGB light for your K7. 

If you would like to turn off the RGB light, please download the 1.10 firmware package:  

K7BTXMOS 1.10.zip

If you would like to turn on the RGB light again,please download the 1.08 firmware package: 

K7BT XMOS 1.08.zip