McAfee® Security for T-Mobile is a mobile security app designed to protect and optimize the performance of Android phones and tablets. The app offers a range of features, including Anti-Theft, Device Finder, App Privacy protection, Antivirus protection, Anti-Spyware, Anti-Malware, Virus Cleaner and Removal, Safe Browsing, Wifi Security, Performance Optimization, Contacts Backup, and more. With the app, users can track their lost device and access their backed-up information by logging in with their registered email.

The Anti-Theft and Mobile Security features of the app include Device Lock Security and Thief Cam, which locks the device and takes a snapshot of the person holding it. The app also includes Anti-Spyware, which stops thieves from phishing and gaining access to personal information, and Remotely Wipe Data, which allows users to wipe selected private data or revert to factory settings with anti-theft features. Other features include Locate, Track, and Alarm, Anti-Theft Uninstall Protection, and the ability to remotely manage antivirus protection from the web portal or via SMS using any smartphone or tablet.

The app also offers Privacy features such as Guest Mode, which controls which apps kids can see on the device, App Lock, which securely locks apps with sensitive content, and App Privacy Check, which identifies apps that may put personal data privacy at risk. Performance Optimization features include a Widget that keeps users up to date on their antivirus security status and fixes issues with one tap, Battery Booster for extended battery life, Memory Booster to free up memory of background apps and speed up the device, Storage Cleaner to remove unwanted files and apps, and the ability to track data usage and set data limits. The app requires Android 7 and above for the best possible experience.