AT&T will release their new lower-cost shared plans with unlimited talk, text and 10 GB of data on Sunday.

Within the new plan, a family of four can get the unlimited text and talk, with the 10 GB of shared data for $160 a month.

Additionally, all new and existing customers will receive a $100 bill credit for each new line of service added, whether it's a smartphone, tablet, feature phone, mobile hotspot or wireless home phone.

Customers can learn more about the new plans at AT&T's website.