Syncing Media files to AnkiWeb - Problems

I have been using Anki on my computer now, and decided to buy the app to use it on my Iphone and Ipad. When trying to sync the media files to AnkiWeb (with the “also sync media files” checked), the media files still doesn’t get uploaded to the AnkiWeb. I’m using OneDrive as sync service, as AnkiWeb doesn’t sync media files. The decks I want to sync are my own decks made with pictures. Also, when entering AnkiWeb, the decks are there but no pictures show up, only white cube. Disk usage is only 0,72MB with 0 Media files as it doesn’t work.
Can someone help me?

AnkiUniversal does not support syncing media files: