How To Hard Reset Vertu Signature Link Best Review
A hard reset will erase all data, settings, and applications on your Vertu Signature Link. Make sure to back up your important data before proceeding.
newtmgr conn add serial type=serial connstring='dev=/dev/tty.SLAB_USBtoUART,baud=115200' newtmgr conn show
Connection profiles:
serial: type=serial, connstring='dev=/dev/tty.SLAB_USBtoUART,baud=115200'