I read about some people having problems charging their Xs/Xs Max iPhones. I just experienced my first glitch just a few minutes ago, where my screen went blank and was unresponsive. I wasn’t charging at the time, but it still went blank. I plugged in a charger(original 10w charger and cable) and still no response. I had to press the power and volume down, then it did a short vibrate, and turned on.