I'm having the same issue. I'm on the Verizon network, so apparently can't be blamed on a network specific issue. I'm a long time Samsung user and have never encountered this issue in previous phones. First realized it was happening when I received notice from Verizon that my data usage was reaching limit. Troubling that first reactions from Samsung seems to place problem on user (blaming user network, equipment) or personal settings. I expect more from Samsung. Hope this gets vetted, objectively, by Samsung.
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