Preliminary
miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice 70
9.3 FIRMWARE UPGRADE
miniDSP may occasionally provide an upgrade to the MCU firmware of the miniDSP Flex to enable new features.
To upgrade the MCU firmware, first download the latest version of the miniDSP Flex software package from the
User Downloads section of the miniDSP website, then extract it on your computer (on Windows, right-click and
select “Extract All...”; on Mac, double-click).
DO NOT DISCONNECT THE USB CABLE OR POWER FROM THE miniDSP Flex WHILE FIRMWARE UPGRADE
IS IN PROGRESS. DOING SO MAY “BRICK” YOUR miniDSP Flex.
9.3.1 Windows
1. Connect the miniDSP Flex to your computer via USB (if not already connected) and power it on.
2. Navigate to the XMOS_Firmware\Firmware_Upgrade_Tools\Windows\miniDSPUAC2Dfu folder of the
software download.
3. Double-click on the miniDSPUAC2Dfu.exe program to run it: