15.How to update the firmware for KA13?

Note: Before upgrading the firmware for KA13, please unplug other decoders from the USB interface on the computer!

1. Install the Windows driver: https://forum.fiio.com/note/showNoteContent.do?id=202105191527366657910&tid=17

2. Connect the earphone to KA13, and connect KA13 to the Windows computer.

3. Double-click "FIIO_FIIO KA13_V0.15" to open the burning tool and modify the corresponding Vendor ID and Product ID. The Vendor ID is 2972 and the Product ID is 0062.

4. Click "Write EEPROM" to burn the firmware. When the following pop-up window appears, re-plug and unplug the USB interface of KA13 (power on again), and then click "确定".

5. When "Write to EEPROM OK!" appears, the firmware is burned successfully.