You're looking for information on Facebook APK versions, specifically for an older version denoted as "412.0.0.0.5". The APK (Android Package File) is the file format used to distribute and install applications on Android devices.

Because the Play Store only offers the most recent version, you must download the APK file from a reputable third-party repository and install it manually.

Enable Unknown Sources: Go to your phone's Settings > Apps > Special app access > Install unknown apps and toggle the switch for your browser (e.g., Chrome).

Guide to Facebook 412.0.0.0.5 APK and Older Android Versions

Uninstall Current App: You must first delete the existing Facebook app from your device, as Android typically prevents installing an older version over a newer one. Note: This will clear your saved login data and settings.

App Longevity: Facebook may eventually deprecate older versions, causing them to stop functioning or force an update.

Security Risks: Older versions lack the latest security patches and may have unpatched vulnerabilities.

How to locate older Facebook APK builds responsibly