IOS 13.0 build 17A508

iOS 13.0 build 17A508 is an InternalUI build of iOS 13, judging by the file dates, it was compiled 21 hours after WWDC 2019. It appears to be a full build and not desense due to the number, yet, on the home screen, it appears to be desense.

Findings
This build references to an accessory called "B389", the codename for AirTags. It also references "D79" which is the codename of the iPhone SE 2020 model.