Apple Store Lines Return as iPhone X Debuts

Long lines outside of Apple Inc. stores around the world showed strong initial demand for the new iPhone X, but analysts said the real test would be the company’s ability to sustain that level of interest over the coming months as it works through supply bottlenecks.

Sales of the iPhone X began Friday, and customers lined up to be among the first to get their hands on the most expensive iPhone ever, with a starting price of $999 and features including an edge-to-edge display and a facial-recognition system. It wasn’t clear...