Essentially, the profile is a preset configuration which instructs your iPad to participate in the beta program.
All the changes coming to iOS 13 and iPadOS can be seen on the Apple website.
Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff.
Click Profile at the bottom of the General page.
To begin the installation process you got to head on over to the Software Update section on your iPhone. Apple recommends taking a backup before installing the new OSes, and only installing it on non-production devices. Apple has a fairly consistent pattern concerning its iOS releases, which could give us more information about the company's plans regarding an iOS 13 public release date.
Make sure you're device is charged to at least 50% and tap the "Download and Install" button to download and install the public beta versions of iOS 13 and iPadOS 13.
Moreover, the new software also provides developers with a new way to package apps that should result in download sizes for programmes reducing by up to 50 per cent. It's quite simple, following the same recipe of previous iOS public betas. If you've got a spare iPhone or Mac sitting around gathering dust, by all means charge it up and get playing with iOS 13 or macOS Catalina.
The download only takes a second, at which point you'll have to go to the Settings app and look for a notification that tells you that you have a new profile to be installed.
If you so happen to have already registered for Public Beta in the past whether it was for iOS 12 or iOS 11, you should not be asked to re-register. Public beta versions of those versions are also expected.