Apple has now officially begun its public beta test of iOS 13. The beta is expected to last until the public release in September, with updates every week or two. We caution you not to install the beta on a critical device—it is often full of bugs and rife with issues like poor battery life. That’s what a beta is for, after all: finding and fixing bugs.
We have lots of details about iOS 13 here, but if all you want to know is how to install it on your iPhone (or install iPadOS 13 on your iPad), follow these instructions.
Back up your device
Before you install any new OS update, and especially before you install a beta, it’s ve…
Read more here: Macworld How-To