The debate between the FBI and Apple over a killer's iPhone raises the question: What personal data is on your phone, and nowhere else? Consumer Reports explains.

It’s finally time to pick up a new smartphone, but you’re probably not sure how much data that you’ll need on a month-to-month basis. We’re here to help you figure out how much data various ...

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 ...

This story originally appeared on LearnVest as "7 Ways to Help Hack-Proof Your Smartphone." With so many scary headlines about data breaches and ID theft hitting the news cycle, you've probably ...

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Picking a cell plan can be confusing, but after months of research, we’ve found the best plans for data, coverage, and price.

We’ve picked the very best phone plans from Verizon, AT&T, T-Mobile, and more — from cheap unlimited to shared data plans for the whole family.

Or, from that Settings > Cellular screen, you can toggle the switch next to any given app to prevent it from using cellular data at all, allowing it to work only over Wi-Fi.