You can use the following environment variables with the device command to configure Secure Domain detection option.
| Environment variable | Description | Example usage |
|---|---|---|
NRFUTIL_DEVICE_SDFW_VARIANT |
Selects the Secure Domain firmware (SDFW) variant that is running on the device. This overrides the default selection of IronSide Secure Enclave. Possible values are ironside, suit, and no-sdfw. |
NRFUTIL_DEVICE_SDFW_VARIANT=suit |