Ok, just looked at these images: https://daringfireball.net/2019/09/the_iphone_11_and_iphones... in full res and indeed, they are very blurry and the detail loss is still there:

look at the hairs of the dog: https://daringfireball.net/misc/2019/09/iphones-11-review/mo... They are all blurry

Is it possible to shoot RAW with iPhone?

> Is it possible to shoot RAW with iPhone?

Yes but with third party apps only.

Yes -- the default camera app doesn't support it, but there are a bunch of third-party apps that can shoot RAW.