Share your experience!
I am also facing problem with the facebook app. wherein the video stops playing after few seconds, do not know if this problem is with the facebook application or video application.
I tried cleaning the data ,but still the problem persist.
This problem not only facing on our devices but this cause from Facebook application.
http://talk.sonymobile.com/t5/Xperia-Z2/Facebook-Video-Playback/m-p/699591#U699591
Is this the problem?
Yes , the problem is same. but sadly i suppose no hope as the issue has no resolution till now.