There is a new OP-1 Firmware Update!

OP-1 OS 14167

New OP-1 OS with added features:

- DSynth synthesizer engine
- Sketch sequencer
- Master tune
- M1 and M2 now works together

Instructions how to upgrade:

Hold down the COM key before turning the power on.
This will take you to the "TE-Boot" screen.
Follow the on-screen instructions.

Visit the TE page to download and install the update:

http://www.teenageengineering.com/library/op-1/firmware