Next on our list of best 2021 iPhone tips is the enhancement for the screenshot feature. In iOS 13 or later, iPhone users can take full page screenshots in most apps. Now when you take screenshots in apps like Safari you are presented with a tab. This tab lets you choose whether you want to save the screenshot of the screen or for full page. This feature makes it possible for iPhone users to take screenshots of full documents or webpages and save them as PDFs. Users can also markup on the full page screenshots by jumping to the part they want to edit using the convenient scroll bar.