Save $10/mo. per phone line on our AT&T Unlimited Premium℠ plan. *Req’s proof of eligibility. Credit(s) w/in 2 bill cycles. $10/mo. per phone line discount applies to accounts with 5 lines or less. Compatible device for 5G and AT&T ActiveArmor App access. Download of App req’d. Some mobile security features are not avail. while roaming internationally. 5G may not be avail. in your area. For coverage details, see att.com/5Gforyou. Add’l charges and restr’s apply.