AT&T Mobile Security helps protect your phone from malware, viruses, and system threats. An all-in-one mobile security app that provides proactive detection and malware/virus protection for your Android phone. Smartphones sold by other carriers may not be eligibleAT&T Mobile Security protection includes the following Free. features: App Security- Scans apps and files for malware and viruses- Alerts you to any problems- Helps protect you from unsafe apps and filesSystem Advisor- Guards against threats that try to bypass your phone's built-in security protections- Notifies you if the operating system has been tampered withAlso includes AT&T Call Protect for more control over nuisance calls at no additional charge. Learn more at att.com/securitycallprotect. App download may incur data chargesAT&T Mobile Security & Call Protect: Includes access to AT&T Mobile Security and AT&T Call Protect. Services require download of separate applications. AT&T Mobile Security is only available to AT&T postpaid wireless customers with Android smartphones that are eligible for HD service. AT&T Call Protect is available to AT&T consumer and business (except Government) postpaid wireless customers with iPhone 6 or above or Android smartphones that are eligible for AT&T HD Voice. Smartphones sold by other carriers or direct from device manufacturers may not be eligible for AT&T HD Voice. For information on AT&T HD Voice, visit www.att.com/hdvoice. Data charges may apply for app download and usage. AT&T Mobile Security: When Mobile Security app is installed, Call Protect features like Automatic Fraud Blocking and Suspected Spam Warning are automatically enabled at network level. (1) App Security: Not guaranteed to detect or protect against all viruses and malware. (2) System Advisor: Not guaranteed to detect all roots and jailbreaks and does not prevent roots, jailbreaks or unauthorized app installation (s). AT&T Call Protect: (1) Automatic Fraud Blocking: May inadvertently block wanted calls, but settings can be adjusted to turn off blocking or allow specifically designated numbers. (2) Suspected Spam Warning: Must be in AT&T HD Voice coverage area to be alerted to suspected spam calls. Suspected spam may include service messages and/or other permitted calls. (3) Manual Call Blocking: Requires AT&T Call Protect App. Does not permit blocking of unknown numbers. For complete terms and conditions for AT&T Mobile Security, see att.com/mobilesecurityeula. For complete terms and conditions for AT&T Call Protect, see att.com/callprotectterms.