Com.sec.facatfunction ((full)) 100%

The identifier com.sec.facatfunction appears to be related to Samsung Android devices (the com.sec prefix denotes Samsung Electronics’ proprietary packages).

However, this exact package name is not a standard or documented Samsung system component. It is likely a typo, an internal debug module, or a very obscure function related to FAC (Fully Automatic Calibration) or factory test routines. com.sec.facatfunction

Here is the most useful and actionable content regarding this topic, broken down by what it likely is, why you’re seeing it, and what to do about it. The identifier com

3.1 The Force Close Pop-up

"com.sec.facatfunction keeps stopping" "com.sec.facatfunction has stopped working" 9. Best Practices for Developers

This typically appears randomly, especially after system updates or when launching an app that accesses sensors (e.g., camera, maps, games).

12. Conclusion

com.sec.facatfunction plausibly represents a vendor-specific module for factory or feature functions on Samsung devices. Treat such packages as privileged, limit external exposure, and follow secure development and testing practices. For researchers, careful static/dynamic analysis can reveal both useful diagnostics and potential security issues; follow legal and ethical guidelines.

To disable (if visible in package list):

  • Use ADB (no root required): 
    pm list packages | grep sec
pm disable-user --user 0 com.sec.facatfunction   (if listed)
  • Or use a package disabler app – but backup first.

9. Best Practices for Developers

  • Keep sensitive operations behind signature-level permissions.
  • Minimize exported components; use local binding where possible.
  • Offer diagnostics output to secure endpoints, avoid persistent storage of PII.
  • Maintain clear versioning and feature flags to manage region/SKU differences.
  • Document AIDL contracts and native APIs and include automated tests.