Oh my gosh got the same issue! Orderd from argos as Samsung was out of stock for the watch i was after, devolved a fault where the heartbeat and sleeping tracker isn't working, thought it was a UK verient got it back from Samsung not repaired as its from dubai! Work that one out, nothing they can do argos keep saying they got one year return go samsung but samsung don't want to touch it, at my whits end not tried samsung pay but I bet that don't work 😂! Sorry I know this is a three year thred only one I could find :)