https://wccftech.com/download-ios-13-final-version-for-iphone/

You can now download iOS 13 final version for your iPhone XS, iPhone XR, iPhone X, iPhone 8, iPod touch and more.

After months of excruciation and wait, the full and final version of iOS 13 is now available for download. But as you’d expect, it is only available for iPhone and iPod touch users, meaning that iPad owners will have to wait till the end of the month to get hands on iPadOS.