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Knowledge baseQuad Cortex updatesCorOS 1.2.2 is now available
November 11, 2021

CorOS 1.2.2 is now available

CorOS 1.2.2 is now available. Download it via Settings > Device Options > Device Updates on your Quad Cortex once connected to Wi-Fi. We recommend that you create a backup before updating your firmware.



  • Bundles. Bundles eliminate the need for users to manually upload and download the Neural Captures used in a Preset. Read the important information about Bundles in CorOS 1.2.2 here.


  • A booting issue where the Quad Cortex would get stuck in the LED flashing sequence.

  • An issue where the Quad Cortex would intermittently crash or display an error message when loading a small number of Presets under specific conditions.

  • Expression pedal latency when mapped to virtual devices or sending MIDI CC values.

  • Several tag behaviour issues.