Overview

• The updates are now live in a global, staged rollout, with regional install windows spanning September 15–16.
• iOS 26 supports iPhone 11 and newer and the second‑generation iPhone SE, while iPhone XR, XS, and XS Max do not receive this upgrade.
• Advanced Apple Intelligence tools, including Visual Intelligence and Live Translation, require recent devices such as iPhone 15 Pro or later.
• watchOS 26 introduces hypertension notifications, a nightly Sleep Score, and Workout Buddy coaching, and it requires pairing with an iPhone running iOS 26.
• Apple warns that battery life and device temperature may be temporarily affected after updating as indexing and app updates run in the background.