Com.sec.facatfunction [hot] Jun 2026

While the full details of its operation are not public, community discussions and technical analysis suggest it is part of the system’s face detection and biometric pipeline. It was first prominently noticed following Android 13 updates, where it appeared with extensive permissions and ran in the background.

It should not use a significant amount of battery. If it is high on your battery usage list, it is likely because the phone is stuck in a loop trying to verify something, or you have been setting up or using face recognition frequently. Restarting the phone often fixes this. Conclusion

If you are seeing this in a crash report, diagnostic log, or "dumpsys" file, it is usually because: The system is enumerating all active packages. A hardware test (like the secret com.sec.facatfunction

The system service handles several distinct duties within the Samsung One UI Ecosystem :

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. While the full details of its operation are

: The suffix "function" implies that this package could be involved in testing or utilizing various camera and sensor functions on Samsung devices.

For the end-user, encountering this process is not a cause for alarm. If you see it in your battery or process lists: If it is high on your battery usage

In the telecom and computing world, (Attention commands) are specific instructions used to control modems and hardware components. Therefore, com.sec.facatfunction is a core Samsung system application responsible for handling factory-level hardware communication, diagnostics, and testing protocols. 2. What Does It Actually Do?

To safely disable the app for the current user, execute the following command: adb shell pm disable-user --user 0 com.sec.facatfunction