To update to iOS 11.4.1, you must be a registered developer. If you have the proper configuration profiles installed on your test devices, the software can be downloaded and installed as an over-the-air update by navigating to Settings –> General –> Software Update and then following the onscreen instructions.
To update to macOS High Sierra 10.13.6, the proper configuration profiles must be installed. Once they are, the new software can be downloaded and installed from the Mac App Store by selecting the Updates tab and choosing to install the new software.
We’ll report back any notable changes or findings as soon as we encounter them.