How to put a lid on your iPhone's cellular data use—and avoid nasty surprises on your monthly wireless bill.

This excerpt from the ebook, A Practical Guide to Networking and Security in iOS 8, offers a variety of advice on keeping your cellular data usage down.

There are numerous ways to track and reduce your iPhone data use. Read on as we roundup a handful of tips and tricks to help save your cellphone bill.

On your iPhone or an iPad with a cellular plan, be sure to also check the options under Cellular Data to ensure they line up with your data allotment and how you want to use it.

Make your iPhone or iPad use less Wi-Fi or cellular data iOS 13 has a hidden feature to help you use less data, whether you are on cellular or Wi-Fi.

The newest generation of iPhones use a ton of data. Here are some ways to better manage your data use.

It's easy to save cellular data on your iPhone by lowering your data usage settings with any of these six methods. Here's how to do each.