684.mp4 Now

: The board is recognized as a /dev/ttyACM0 device, allowing for image confirmation and board resets.

: Demonstrating how to perform multiple firmware upgrades using the mcumgr tool. 684.mp4

The file is likely the demonstration video "mcumgr_and_hci.mp4" found within the Nordic Semiconductor DevZone forums. : The board is recognized as a /dev/ttyACM0

: Showing how to navigate back to the SMP server application from within an HCI_USB application to facilitate these upgrades. 684.mp4