It’s a good idea to turn off data roaming on your iPhone if you want to avoid using data while traveling internationally. Here's how to do it.

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

iPhones are great at many things, but saving mobile data isn't one of them. If you often run out of data, here are a few key settings you should change to reduce how much data your phone uses. The ...