iOS 15.7.3 build 19H307
Build of iOS 15 | |
iOS 15.7.3 build 19H307 is the official RTM build of iOS 15.7.3, which was released to the public on 23 January 2023.[1] Prior to that, it was released five days earlier as the official Release Candidate build to Apple developers and public beta testers.[2] It is only available for devices that are incapable of running iOS 16 or newer.
This build is a security update that patches several existing vulnerabilities.