16. How to upgrade the firmware for KA5?

Note: Please disconnect other USB devices, disable other running programs of the computer, and ensure no power outages during the upgrade process!

1.Download the KA5 firmware files and upgrade tool. (Click here)

2.Install the FiiO USB Audio driver for KA5(Click here) in the Windows computer

3.Connect the KA5 to Windows computer, and run 'Fiio_Tool_V1.01'. 

After 'Find Device FiiO KA5' shows, click 'start' and the firmware will update automatically;

4.When 'Firmware update success!' shows, the upgrade is finished;