Teenage Engineering EP-40
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Current Firmware
2.5.1
Connect EP-40 via USB, open teenage.engineering/downloads/ep-40 in a Chrome, Edge, or Opera browser. Click Update Firmware and confirm the WebUSB permission prompt. The page flashes the latest firmware directly to the device — no updater app required.
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 — teenage.engineeringFirmware History
Changelogs summarised from the manufacturer's release notes.
2.5.1
2026-07-03
fix: note-on velocity did not work for samples.
fix: crash when cropping long samples.
fix: GROUP+PAD shortcut broken in TEMPO.
fix: choppy USB audio when streaming from Android devices (e.g. Pixel 9).
Release notesopens in a new tab — teenage.engineering
1.0.5
- increased the usable sample space from 120 MB to 122 MB
- changed SYNC OUT to generate continuous clock
- improved audio stability to reduce glitches
- fixed: crashes and stability problems related to disk access
- fixed: stereo icon (right speaker) did not show
- fixed: various UI, looping and MIDI/SYNC fixes
Release notesopens in a new tab — teenage.engineering
FAQ
What is the latest firmware for the Teenage Engineering EP-40?
The latest firmware for the Teenage Engineering EP-40 is version 2.5.1, released on 2026-07-03. FW//RADAR checks the manufacturer's official sources for new releases.
Where can I download Teenage Engineering EP-40 firmware?
Directly from Teenage Engineering'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 — teenage.engineering
Manual →opens in a new tab — teenage.engineering
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