*Compatible device/service required. Requires download of ActiveArmor app and acceptance of terms of service. Data charges may apply to app download/usage. Advanced security requires AT&T Unlimited Extra®, AT&T Unlimited Premium℠, AT&T Business Unlimited Elite℠, AT&T Business Unlimited Performance℠, AT&T Business Mobile Preferred, AT&T Business Enhanced Advanced or Business Enhanced Pro plan. Advanced features $3.99/mo. for all other plans, subscription auto renews and bills monthly. Some mobile security features are not available while roaming internationally.