Teenage Engineering OP-1

Firmware discontinued

The manufacturer has stopped releasing firmware updates for this device. Last known version: 246.

You can still add it to your rig to keep an inventory and track its used market price.

Hold COM while powering on to enter te-boot (the bootloader). Press 1, then connect OP-1 to your computer via USB — it will appear as a removable disk. Copy the firmware .op1 file to the disk. Eject the disk, then press COM to apply the update. Download firmware from teenage.engineering/downloads/op-1/original