Hello,
Just received the Thingy91, I started following this video tutorial: https://www.youtube.com/watch?v=xQ7hDzRULJQ, and a few things didn't go as expected. A few things to add, I am connect via micro-USB cable to a Mac. SW0 SELECT is nRF91. I plugged in the SIM Card.
1) when updating the modem firmware. I click and hold SW1 and turn on the device to see MCU*** show up. Then by selecting the modem's mfwnrf9160120.zip in the programmer application and clicking write, I receive the following error
