L475E-IOT01A1 - Unable to access the board using a terminal window , under Mac OS 10.15.7. USB port ST-LINK visible as /dev/cu.usbmodem146403 as well as /dev/tty.usbmodem146403 but cannot access to it (used "sudo screen " to no success). Please help

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Best answer by FBian.1

Problem solved. Had to download "Serial Tools" from App Store. It works like a charm.

FBian.1AuthorBest answer

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Problem solved. Had to download "Serial Tools" from App Store. It works like a charm.

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