How can I change artboart size from for example Iphone &,7,8, SE to Iphone X, XS, Pro?
I haven't found a way to do it, bu I think that it would be good if you mark the artboard that you want to change, and press A and select the wished predefined size from the list. Instead a new artboard is created...
Can you tell us which Adobe application you're using so we can move the thread to the correct forum
I'll move the thread for you