A:AnswerYou can use an adapter like the Apple - Lightning Digital A/V Adapter - White
Model: MD826ZM/A SKU: 7007013 to connect an iPhone into one of the HDMI inputs on the TV.
A:AnswerHello Marne:
You don't need a digital converter box because this TV is digital. I installed my indoor antenna and scanned for channels and I have 58 channels, including some I have never heard of. I live on top of a large hilly area and may get better reception than most.