If plan A does not work.
particle flash --usb cc3000 (will blink magenta and eventually revert to yellow)
particle flash --usb tinker
now setup wifi credentials using particle serial wifi
Try plan B
Download core-firmware.bin
Hard reset…
$dfu-util -d 1d50:607f -a 0 -s 0x08005000:leave -D core-firmware.bin
$particle setup
Boom. Rainbow. Rename. Breathing.
Pretty Cool…