This is why your phone connects to carrier Wi-Fi — and why that’s usually a good thing
iPhone and Android phones automatically connect to Wi-Fi networks from your carrier, but don't worry. They're secure, and they're saving your data.
Public Wi-Fi networks shouldn't terrify you, but it's reasonable to be shocked by your phone connecting to a network you didn't authorize. For all you know, an unknown Wi-Fi network could have weak s… [+6140 chars]