4 things to know about Apple`s iOS 11 software update
(World News Science)

SUNNYVALE, Calif. (AP) - Holding off on upgrading your trusty old iPhone? You won`t need a spiffy iPhone 8 in order to get new maps, photos and other features with a free software update Apple began rolling out Tuesday. The iOS 11 update brings a variety of enhancements, including a new voice and functionality for the Siri virtual assistant and a new photo format to reduce file sizes. Consider waiting a few days in case unexpected problems emerge. The update will work with iPhones and iPads going back a few years, but older models won`t get all the new features. Once you get iOS 11, here are four things to look for. ......