: Plug the USB drive into the UPDATE port on the back.
for Audiolab support to request a specific firmware file for your chip version? Audiolab 6000A Firmware update Audiolab 6000a Firmware Update
| Issue | Likely Fix | |-------|-------------| | “No update file found” | USB not FAT32, file in wrong folder, or filename incorrect. | | Update freezes halfway | Power cycle (unplug 30 sec) and retry with a different USB drive. | | Bluetooth still unstable after update | Perform a factory reset: Menu → Factory Reset → Confirm. | | Remote unresponsive post-update | Replace batteries, then re-pair remote (see manual). | : Plug the USB drive into the UPDATE port on the back