Firmware discontinued
The manufacturer has stopped releasing firmware updates for this device. Last known version: 1.01.
You can still add it to your rig to keep an inventory and track its used market price.
The SQ-1 System Updater is available from the Korg support page (listed under MS-20M Kit + SQ-1). Download the updater DMG (macOS) and follow the on-screen instructions.
Last firmware page →opens in a new tab — korg.com