Article Summary. Shared data is a set amount of data shared by multiple people on a single plan. Shared data plans are becoming increasingly rare in this age of unlimited data; more common are family plans where each user gets his or her own amount of data (frequently unlimited) to use.

How do shareable data plans work?

Shareable data plans let you choose a talk and text option for each smartphone device user and one shareable data amount for the entire account. So if you have a plan for yourself, you can have other smartphones and connected device plans share that data.

What is shared data on a smart phone?

What Is Shared Data? Shared data is a specific data allotment that is shared between all lines on a cell phone plan. A three-line cell phone plan may have 20 GB of shared data, which all three lines have access to.