Apple appears to be testing the ability to restore your iPhone or iPad to its box fresh state with a feature that will be available over-the-air. The game may have been given away in revealing details that point to a feature that will make that a reality in the third beta version of iOS 13.4.
http://www.techradar.com/news/soon-you-may-be-able-to-recover-an-iphone-without-your-computer
http://www.techradar.com/news/soon-you-may-be-able-to-recover-an-iphone-without-your-computer