katana is the code name for the Facebook app on Android devices, orca is for the Messenger application. You do not need to remove these files if you want to keep using the program. ... This package is automatically generated by the Facebook application once the program is installed.2021-01-11
How do I reinstall Facebook?
Go to your device's settings and open your application manager. Tap Facebook. Tap Uninstall. To reinstall the Facebook for Android app, download it again from the Google Play Store.
How do I turn off Facebook updates?
- Open the Facebook app and tap Bookmark.
- Scroll down and tap Settings, then tap App Updates.
- From here, you can turn auto-update on or off.