The built-in Messaging app only supports one-on-one Facebook Chat threads. For groups, use the mbasic.facebook.com browser method.
The Nokia Lumia 520, running Windows Phone 8.1, is a classic device, but official support for the Facebook and Messenger apps ended in . Because the Lumia 520 cannot be upgraded to Windows 10 Mobile—which still supported newer app versions for a time—standard app store downloads will no longer work for chatting. how to use facebook chat on nokia lumia 520
No extra app, uses phone's native keyboard, live tile updates. Cons: No stickers, no GIFs, no reactions (thumbs up only). The built-in Messaging app only supports one-on-one Facebook