• Apple iOS 10 Opens Up Siri and Messages, Updates Music, Photos and More

    The latest operating system for iPhones and iPads is an attempt to fend off Apple rivals such as Facebook and Google

    At its WWDC 2016 event, Apple showed off updates to its four major operating systems. WSJ's Joanna Stern has the highlights. (Hint: Emojis are the future.) Photo: Getty

    Apple Inc. is opening up the iPhone and iPad in a big way using Siri and its Messages app. And it is promising major improvements coming to its Photos, Maps and Apple Music apps and HomeKit this fall, with new features and redesigned apps.

    The new version of the mobile operating system, iOS 10, will come to iPhone and iPad users this fall, and be available to developers in a public beta in July. It will be compatible with all...

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