Android 11 - File plugins don't work, Camera too

My first problem is here : angular - Ionic FilePath not working, how to get the file path for Android 11 - Stack Overflow

I can’t upload a PDF using Ionic on Android 11. Everything is explained in the stackoverflow topic.

Another problem is about Camera. It doesn’t work for Android 11. My app doesn’t open the camera.

I can’t find any topic about this in this forum, am i the only one having these issues? I need to work with the present requirements, and its name is Android 11. If someone has an idea…