Same here as well. Connecting with server on my iPhone X keeps failing, while on my iPhone 7 Plus there are no problems. I tried Samsung Connect (which doesn’t have official support for my washer yet) and SmartThings apps. When logging in I can see my washer, but I can’t control it with those apps. My washer is a WW10H9600EW and my iPhone X is running iOS 11.2.
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