Good NEWS Microsoft updated the OneDrive’s iOS app version 6.13.1.
It has brought new features like now you can download multiple photos and videos in a one attempt.
Also some regular bug fixes related to the problems with VoiceOver and Albums.
If you are having issues with sync will have to shake to send feedback and they will find the problem for you.
Also checkout Apple Rolled iOS 9.3.1 the latest version.