Apple has released a sleeker and more expensive version of its lowest priced iPhone in an attempt to widen the audience for a bundle of artificial intelligence technology that the company has been hoping will revive demand for its most profitable product lineup. The iPhone 16e unveiled Wednesday is the fourth-generation of a model that’s sold at a dramatically lower price than the iPhone’s standard and premium models. The previous bargain-bin models were called the iPhone SE, with the last version coming out in 2022. Like the higher-priced iPhone 16 lineup unveiled last September, the iPhone 16e includes the souped-up...