Bummer.
@ogiewon @Mooseknuckle So there’s no way to replace the discontinued CEL module with a ‘XBee
®
ZigBee’ module with ZigBee turned on or this is heck a lot more complicated than what I can understand at the moment 
lol…
from the link above ‘Configure Series 2 Xbee (S2C) to work with the Zigbee home automation profile and connect to Samsung SmartThings’ credits to @CR76