I’ve been trying my best to resolve this using all the great suggestions already posted by this community but nothing has helped. Since a few days one of my cores all of a sudden stopped working and blinks white as soon as I power it on. When pressing the mode button (while flashing white) it turns to a steady white.
I’ve tried flashing the core using dfu-util (as it won’t connect through the particle-cli “particle flash --usb firmware” process as the core doesn’t boot up as it seems) but that does resolve anything either (although it does flash yellow and seems to flash the firmware as expected). Factory reset doesn’t do anything either.
I’m starting to think my core is broken, in which case I hope it still has some kind of warranty, but want to rule out any software/firmware options first. Any guidance as to ensure I’ve tested all DFU-UTIL options first?
So I’ve tested the following options:
Firmware binaries flashed: