IOS 14.7.1 build 18G82

iOS 14.7.1 build 18G82 is the official RTM build of iOS 14.7.1, which was released to the public on 26 July 2021.

Fixes

 * Fixed an issue where iPhone models with Touch ID cannot unlock a paired Apple Watch using the Unlock with iPhone feature.
 * Patched a security vulnerability that could lead to arbitrary code execution with kernel privileges.