Question: iCloud drive in iPhone
I'm using iCloud drive .
When i want to view some files In my iPhone - these files automatically download after opening Files APP .
After viewing I don't need them IN MY IPHONE but need to keep them in iCloud drive .
1. Is these files stay in my iPhone ? if so can i localy delete them and keep them in iCloud ?
2. What is Recent files and can I delete locally ?
iPhone X, iOS 11.3, 256MB