PSA: Keep an eye on your mobile data if you ever use poor-quality WiFiIf you ever use your iPhone on poor-quality WiFi networks, you may want to check your mobile data usage. As Quartz noted, a new feature introduced with iOS 9 is leading some people to see dramatic increases in their mobile data usage. Wi-Fi Assist means that iOS recognizes slow WiFi and supplements it with mobile data. […]<img alt="" border="0" src="
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PSA: Keep an eye on your mobile data if you ever use poor-quality WiFi
