A:Answerthe power cord is a standard type. I haven't looked but they are, on the tv end, usually rounded ends, or one round and one square. check that and you can order one just about anywhere computer store or electronics store or ebay.
A:AnswerThis TV does not have Chromecast/AirPlay built-in.
You can use the Apple - Lightning Digital A/V Adapter - Model: MD826ZM/A to connect your iPhone to this TV via HDMI.