Elektron Octatrack MKII
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Current Firmware
1.40C
Two upgrade methods. .BIN via USB+CF card (preferred): on the Octatrack, navigate to SYSTEM → USB DISK MODE and press [ENTER/YES]; copy the .bin OS file to the root of the Compact Flash card; unmount, then navigate to SYSTEM → OS UPGRADE and press [ENTER/YES]. SYSEX via MIDI (alternative): connect the Octatrack MIDI IN to a computer MIDI interface (the USB port cannot transmit the OS); send the .syx file using Elektron Transfer or any sysex-capable tool. Do not power off the unit during the final bootstrap stage.
Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.
Firmware pageopens in a new tab — elektron.seFirmware History
Changelogs summarised from the manufacturer's release notes.
1.40C
2025-03-27
Octatrack OS 1.40 comes crammed with new features such as Parameter Randomization, Tempo Per Pattern, MIDI Trig Modes, Parameter Locking Multiple Trigs simultaneously, Trig Preview, additional performance improvements, and much more. Octatrack OS 1.40C adds support for updated production process. For a full list of changes, see the release notes.
Release notesopens in a new tab — elektron.se
FAQ
What is the latest firmware for the Elektron Octatrack MKII?
The latest firmware for the Elektron Octatrack MKII is version 1.40C, released on 2025-03-27. FW//RADAR checks the manufacturer's official sources for new releases.
Where can I download Elektron Octatrack MKII firmware?
Directly from Elektron's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →
Manufacturer page →opens in a new tab — elektron.se
Manual →opens in a new tab — elektron.se
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