Some people reported that their microbit did not have a softdevice on it already (which seems odd but is possible!) You can try installing this hex file which will use MakeCode to install a softdevice. Just drag it onto the MICROBIT disk drive
This guide was first published on Dec 06, 2017. It was last updated on Dec 06, 2017.
This page (HALP!!!) was last updated on Nov 02, 2020.