omer, Facebook have changed the video URL standard. In old version Facebook does not support playing iframe video on mobile devices. So, if you paste FB video link using an old URL format, it will play on desktop version but won’t play on mobile devices.
Presently, as far as I know new video URL format allows to play video on mobile devices and it requires to make changes for Video plugin parsing system . This has been reported to our developers and will be fixed in a future updates.
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