File authentication How do I authenticate files on my iPhone

Hey there, ThumpeD.

It appears you're trying to access your files in iCloud Drive on your iPhone with the Files app.

In the screenshot you shared, we see that you are connected to a mobile network. Are you able to see your files in iCloud Drive if you connect to a strong Wi-Fi network? You can also see if restarting helps: Restart your iPhone

Once you are able to see your files, you can make it to where you can access those for offline use, as seen below:

"Manage your iCloud Drive files while offline

If you're offline and want to access, edit, and save documents in iCloud Drive, follow these steps first.

How to access files while you're offline

To access your files offline, open the Files app on your iPhone, iPad, or iPod touch and follow these steps.

If you make changes to locally stored versions of your files while offline the changes won't appear in iCloud Drive. Upload the updated versions of your files to iCloud Drive when you're back online."

The information above is from this article: Access iCloud Drive files from your iPhone and other devices

Let us know if those steps help you access your files. Take care!