If you're having trouble mounting the most recent variation of the Facebook for Android app, you remain in the right location.
Facebook App Not Working After Update
While trying to install Facebook via Google Play store, you can read often this error message:
Can not install application. "Facebook" can not be installed. Attempt once more, and if the trouble continues, get assist troubleshooting. (error code:- 504).
The error code 504, is not an issue with the Facebook app, and also not a generalised Play Store issue. To address the issue, attempt these fixing pointers:
* Settings > Apps > All > Google Play Store, Clear data as well as Clear cache
* Setups > Applications > All > Google Play Services > Manage space, Clear all information as well as Clear cache
* Reboot your phone
* Try to update or install Facebook again.