Apple Releases Revised Versions of iOS 15 and iPadOS 15 Second Betas
Registered developers can download the profile for the iOS and iPadOS betas from the Apple Developer Center, and once the profile is installed, beta updates will be available over the air.
The new iOS and iPadOS 15 beta updates are labeled as beta 2 and are available to developers who previously installed the second beta. It is not clear why Apple has released an updated version of the software, but it may fix critical bugs. The new beta has a build number of 19A5281j, up from the original build number of 19A5281h.