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Unlock hidden OP-1 sounds and change its display
OP-1 Firmware Repacker unpacks an original OP-1 firmware file and rebuilds it with selected modifications. Its bundled options can enable the hidden iter synth and filter effect, lower default effect intensity, or change screen graphics.
You need Python and your own official firmware image. The bundled changes were tested on firmware 235; do not assume they work on a newer release, the OP-1 field or the OP-Z.

Teenage Engineering OP-1 and OP-Z
OP-1 original (partly)
Bundled modifications tested on firmware235
How did it go? Tips, problems, questions…
Unlock hidden OP-1 sounds and change its display
OP-1 Firmware Repacker unpacks an original OP-1 firmware file and rebuilds it with selected modifications. Its bundled options can enable the hidden iter synth and filter effect, lower default effect intensity, or change screen graphics.
You need Python and your own official firmware image. The bundled changes were tested on firmware 235; do not assume they work on a newer release, the OP-1 field or the OP-Z.
op1hacks
On GitHub

Teenage Engineering OP-1 and OP-Z
OP-1 original (partly)
Bundled modifications tested on firmware235
Feedback
How did it go? Tips, problems, questions…