https://wccftech.com/download-ios-13-6-ipados-13-6-final-right-now-ahead-of-official-release/

Yes, you can download the full and final version of iOS 13.6 and iPadOS 13.6 on your iPhone and iPad right now ahead of the official release.

Registered developers can download iOS 13.6 GM and iPadOS 13.6 GM right away. This is essentially the final build of the software, but meant for developers only. What this means is, Apple is going to release the final build of iOS 13.6 and iPadOS 13.6 some time next week for everyone. Sounds like a long time to wait, right? Well, if you download the iOS beta profile onto your device, you can actually download iOS 13.6 GM and iPadOS 13.6 GM right now.