If you are determined to use modern Facebook, you can wipe the Nokia X Software Platform entirely and install (Android 4.4.4). Community developers created unofficial builds for the Nokia XL to unlock Google Play Services.
Because the Nokia XL allows installing .apk files from unknown sources (Settings > Security), you can try older Android apps. —they require Google Play Services. facebook for nokia xl
Even this version may show a "Login error" occasionally. If so, clear the app data (Settings > Apps > Facebook Lite > Clear Data). If you are determined to use modern Facebook,
Let’s face it: The official Facebook experience on a 2014 phablet is painful. Here are superior alternatives that turn the Nokia XL into a functional social media device again. —they require Google Play Services
Even with the right files, the Nokia XL can be temperamental. Here are solutions to common problems: