I created a Facebook status update with three photos. I'd like to add one more. Note that I did not create an album, I simply uploaded all three photos at the time of creating the Facebook status update. I can delete photos… but don't see a way to add one.
Facebook Photos – How to Add Additional Photos to a Status Update
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Best Answer
Once you posted it, you can’t add a new photo to a status update. The only moment when you can add more photos to a status update is between the time one or more photos are uploaded and the one you click Post (see picture below).
The only thing you can do is to delete the first pictures and re-upload them together with the fourth.
(FYI: the photos you upload directly (as status updates) are grouped in the album called Timeline Photos.)