Apple users updating their devices to iOS 27 might expect the revamped Siri AI experience to kick in immediately, but the new functionality is not entirely automatic.
While major software upgrades typically apply changes at reboot, advanced artificial intelligence features often require user opt-ins, extra system downloads, or device indexing before they become active. This ensures the device has the necessary resources ready before running more complex tasks.
As mobile platforms integrate deeper machine learning capabilities, phased rollouts and manual toggles help maintain device stability and battery life during initial setup.
Check the original report on businessinsider.com for full details.
