How secure is your mobile phone connection? This is a question Kathleen is asking, as she wants to know the difference between mobile data and WiFi security. "For my cellphone, is it more secure to ...

Here's how to check your cellular data usage on an iPhone, and find specific readings for and manage each app's data.

Q: Some of us in the boonies must rely entirely on cellular Wi-Fi hot spots. As a result, data usage is a very important consideration, as each gigabyte must be paid for. Fortunately, we have 4G speed ...

The latest version of the iOS 9 beta has brought some goodies, among them the new Wi-Fi Assist feature, which will recognize bad Wi-Fi connections, and use cellular ...

Stephanie Barnes has been writing about technology for almost a decade. She fell in love with tech after building her first PC as a little girl. She later followed that passion to become a ...

FaceTime calls do use data, and you can check how much through the Settings app on your iPhone or iPad.

As useful as it is to carry around miniature always-online computers in our pockets, that persistent connection sometimes comes at a cost. If, for example, you aren't using an unlimited cellular data ...

Connect from a Mac: open the Wi-Fi menu and select the hotspot. Connect from other Apple devices: open Settings > Wi-Fi and choose the hotspot from the list. This article explains how to turn on the ...