There are two distinct types of updates for the 6000A system. You must identify which one you need.
: Look through the top vents of the amplifier with a flashlight (around the 8 o'clock position on the main board) or check your current version in the device menu. The Two Variants ST32F105 Chip : Displays as in the menu. Use the firmware version. GD32F105 Chip : Displays as in the menu. Use the Audiolab 6000a Firmware Update
: The display will indicate the update is in progress. Release the Standby button . There are two distinct types of updates for the 6000A system