A:AnswerTechnically it has the sensor but because of agreement issues in the US of some kind it's disabled. You can activate it but it requires installing the UK software. Which doesn't mess up the phone as far as I read but I haven't done it myself.
A:AnswerYes. It supports hi-res file formats like FLAC, and hi-res Bluetooth protocols like aptx and LDAC. It's listed in the specs on the Sony website.