Wi-fi Calling didn't work.. Called AT&T and i needed a new sim.. why ?
Just curious more than anything. When i went to activate wi-fi calling on my iPhone 7, i rec'd a message that i need to call at&t to activate.. so i did, and they fed-ex'd me a new SIM card overnight.
Reason i'd like to know more about this is i'm thinking about learning Android and getting myself an S8 (until the iphone 8 comes out at least) and would just be swapping my nano into the S8....
However i was told that the S8's and all Androids in matter of fact, use NFC Nano sims and that you can't just swap them between each other.
Trying to figure out what the deal is here.
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