Most basic features like viewing the news feed and posting status updates typically remain functional.
: Older versions do not receive the latest security patches from Facebook Help Center. facebook old version for ios 1255 install
: If the app fails to install or crashes, you can access Facebook via the Safari browser . You can even add a shortcut to your home screen by tapping the "Share" icon in Safari and selecting Add to Home Screen . Most basic features like viewing the news feed