For instructions on upadating the firmware of the RAV2 module please see the printed Digiface Ravenna manual, section RAV2 Software manual, page 42:

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RAV2 - Firmware Update

The RAV2 module is updated via network.

Open the control page of the module and navigate to the tab STATUS and click
SETTINGS in the top right corner (p 8).

Click ‘Update’ and browse to the update file after unzipping first.

Example: rav_io_hw_0_21_sw_0_62.update
Folllow the instructions displayed.

WARNING!
It is strongly recommended to backup the device configuration (Save Preset)
before running any update.

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