Com.sec.facatfunction May 2026

com.sec.facatfunction is a pre-installed system package found on Samsung Galaxy devices. While not a user-facing application with an icon on the home screen, it plays a specific background role in the device's ecosystem. Core Function & Purpose The package is generally identified as a security and maintenance component samsung.com Security Integration:

Performance: While it is a system app, if it consumes excessive battery, it might be due to a bug in a recent software update. Troubleshooting "com.sec.facatfunction has stopped" Com.sec.facatfunction

Facial Functionality: If com.sec.facatfunction relates to facial recognition or facial analysis, it's plausible that such a package or class deals with the implementation or interface to facial recognition technology on a device. This could involve authenticating users, analyzing images or video streams for faces, detecting emotions, or similar tasks. com.sec.facatfunction

System Testing (F-A-C-A-T): The name typically refers to "Factory AT Function," which is used by Samsung for automated internal testing and factory-level diagnostic commands (AT commands) [3, 4].

Demystifying com.sec.facatfunction: What It Is, Why It Runs, and How to Fix Its Errors

Introduction: The Mystery of the Samsung Process

If you have ever scrolled through the "Running Services" section in Android Developer Options, peeked into a system log using Logcat, or encountered a sudden "Unfortunately, _____ has stopped" pop-up on your Samsung Galaxy device, you might have stumbled upon a cryptic string: com.sec.facatfunction. Package name: Must be com

Signature-Level Protection: Because it handles sensitive hardware functions, it is typically protected by "signature" or "system" level permissions, meaning only apps signed by Samsung or the system can interact with it directly. Relationship to Other Packages It is part of a broader "Factory Mode" environment:

General Advice:

  • Package name: Must be com.sec.facatfunction
  • Version: Should include "Samsung Electronics Co., Ltd." as the provider.
  • Installed from: "Preinstalled app" (not Play Store).

com.sec.facatfunction is a system package that is primarily found on Samsung devices running Android. The package is associated with the Facial Recognition feature on these devices, which allows users to unlock their phones using facial recognition. The term "facatfunction" seems to be a combination of "face" and "function," indicating its purpose.