Hi, I'm using an iPhone 10 with the latest iOS 11.2.1 and have a very annoying intermittent issue where notifications will repeat over and over again even when I press the side lock button on the phone. I called Apple support about this and they hhad me turn off notifications for news and then try turning notifications back on but this did not help. I have this issue with notifications from several apps including text messages. another strange thing is that now this seems to also happen on my iPad mini 4th generation. I thought it might have something to do with the iPhone 10 camera but am at a loss as to how to fix this. Any ideas would be greatly appreciated. Is anyone else experiencing this problem?