I hope not! I really like using it. But yesterday at Kroger I paid for my groceries with my phone and it went through just fine, but the cashier looked at me and said "they haven't told us we're authorized for that yet." I said, well it went through on my end, did it not show up on yours? And she said, "yes but they haven't authorized us for that yet and some man did that same thing to me yesterday." (As if he had assaulted her, Lol)
I asked her if she wanted to cancel the sale and have me use my card instead, but assured her the money was coming from the same place regardless. She just waved her hand at me and said no.
I've never had anyone get mad and say they weren't "authorized" before. Usually they're just surprised it works.
As to having it just quit working and having to clear the cache etc., I think I haven't had the opportunity to use it enough in my small town for that to happen. That would be quite a pain and hopefully something that Samsung will address.
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