It appears that iOS 7 includes some new networking capabilities, with Multipath TCP now part of how iOS devices connect to networks. Multipath TCP allows a device to maintain multiple connections, like Wi-Fi and cellular, so that if one connection is lost, the other immediately takes up the slack. A download started over Wi-Fi could continue over an LTE connection if the Wi-Fi connection was lost, says 9to5Mac:
So if you're downloading, for instance, a few app updates and you lose Wi-Fi, your apps should still update just fine if your connected to your cellular network. iOS 7 is the first piece of consumer software to utilize MPTCP. Since it does not require new hardware, MPTCP can be utilized on any device running iOS 7.
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Joseph Keller is the former Editor in Chief of iMore. An Apple user for almost 20 years, he spends his time learning the ins and outs of iOS and macOS, always finding ways of getting the most out of his iPhone, iPad, Apple Watch, and Mac.