@symphony iTunes File Sharing will be restored in Symphony for iPhone in the next update, arriving in a day or so!
@symphony We've had to fix a few bugs before the update (which will introduce some changes to pricing model), sorry for the wait. If you'd like "early access" via SP on iPhone (which does support file sharing), you're welcome to let us know at this page.
Yes please, I would like to have "early access" via SP on iPhone. As a registered user of Symphony (Feb26 2016) I used the "file sharing" feature almost every day.