First, let it be known I did not buy the SS model for its cellular feature. I just wanted the stronger sapphire screen. (Big win there, as I’ve already smacked the crap out of it on a door frame and not a single mark.) However, I thought, what the heck? It’s only $10 a month on my AT&T plan. With that said, I’ve now been struggling for 4 days to get it activated. Online chat was no help. They ended up killing my phone’s SIM card in the process. Finally want to physical store. They’re stumped as well. The added line is in my account but every time they go through the activation process, we get an oops, something isn’t quite right error. Tech brought apple in on the conversation and they said it’s definitely an AT&T issue. After much reading, I am now aware this has been a major issue dating back to series 3. The ONLY anomaly we can find is that when I log into my account, the new line shows up as an iPad 9.7 inch. However, on AT&T’s end, it clearly shows up as an Apple Watch. Anyone had a similar issue? If so, what was the fix?