2 month old Galaxy S3...Problem started 2 days ago...pictures on Facebook newsfeed would only show as a grayed out box...could see the text but no pictures UNLESS I turned on WIFI...then they instantly showed up...Uninstalled and reinstalled Facebook app numerous times...took phone to Verizon yesterday and the manager had a Galaxy Note and hers had been doing the same thing since Saturday and only worked when turned on WIFI...I can do everything on Facebook that I could do before the issue EXCEPT see pictures...I did report the problem to Facebook...friend with iphones and not a Samsung device have had no problems. Any help would be greatly appreciated.