Hi guys. I purchased my iPhone 7 Plus around two weeks ago and generally things have been fine. However post iOS10.1 update, I've noticed the volume button up hasn't been working consistently. When it plays it I find the vibrate switch when clicked down, will start making the phone vibrate and crank up the volume to max with a single flick. Is anyone else having these issues?! Any suggestions before taking it to apple geniuses?!