Core Points - Apple announced a shift in its operating system naming convention to a year-based system, with the next iPhone system named "iOS 26" set to launch in the fall [2] - The compatibility for iOS 26 has changed, with the iPhone XS, XS Max, and XR no longer able to upgrade to the new system, marking a significant shift from previous versions [2] - The iPhone XS was a popular model at its release, featuring the A12 processor, improved camera capabilities, and IP68 water and dust resistance [3][5] Group 1 - Apple will no longer use the original version naming for its operating systems, opting for a year-based naming system [2] - The latest iPhone system, iOS 26, will be released alongside watchOS 26, macOS 26, and iPadOS 26 [2] - The iPhone XS, a significant model in Apple's lineup, will not support the upcoming iOS 26 update [2] Group 2 - The iPhone XS was well-received for its camera quality and performance, even in the second-hand market [5] - Users have reported satisfaction with the iPhone XS's performance and ergonomics, highlighting its comfortable feel [6]