Some iPhone 12 and iPhone 13 users who are on iOS 15.1 and iOS 15.1.1 are reporting connectivity issues with Bluetooth hands-free systems in their cars. Separately, Apple has released iOS 15.2 beta 4 as well as the new beta releases for the iPadOS 15.2, watchOS 8.3, tvOS 15.2, and HomePod 15.2.