From Geeky Gadgets:
The release of iOS 18.6 marks a significant milestone, particularly for older devices such as the iPhone XS, XS Max, and XR. As these models will not support the upcoming iOS 26, this update serves as their final major software upgrade. It is essential to understand the details of this release to ensure your device remains secure, functional, and optimized. Below is a comprehensive guide to help you navigate this important update. The video below, from iReviews, provides more details.
https://www.geeky-gadgets.com/ios-18-6-3/?utm_source=flipboard&utm_content=topic/ios