I recently purchased a SODAQ SARA AFF R412M and was planning use it to run some Nb-IoT experiments so i loaded some NB-IoT software following this link : https://learn.sodaq.com/getting_started/
I programmed one of the examples and ran it for a while before unplugging the board.
Now I cannot see the board in the Arduino IDE and the lights do not flash in the same startup pattern as previously. I have but the board into bootloader mode (slowly pulsing blue led) but I still cannot see the board on the serial port.
Any suggestions would be most welcome!