Last night, I discovered that my AW3 can leverage my XS dual-sim configuration. ATT rep had never heard of it before, but said she was game to give it a try. After a couple of false starts, my formerly Verizon AW3 now had added an ATT plan. Just exceptional customer service with great attitude. Down to one device and one watch, and I am better connected than ever. Thanks to Apple and ATT for some very helpful innovation and effort, as I live in a rural environment where one-carrier coverage is a pipe dream for anyone who needs to be connected for their business.