How to Create a Messenger Group Chat: Open Facebook Chat Group
How do I stop people form changing the group chat photo on Messenger? : facebook
How to Add photos to a Facebook group « Internet :: Gadget Hacks
But sadly, our time together has come to an end.
The Perfect Facebook Group Cover Photo Size The perfect Facebook group cover photo size is 1640 x 856 pixels.
Add some text and elements to your cover photo Now you need to describe your group in words.
If you're using a mobile device, you'll need a separate app called to send chats and messages.