The latest update from Apple to their customers. Apple released iOS 11.0.1 with bug fixes and some improvements for the iPhone and iPad. A new software update has a number of “15A402” and “15A403. If you are running in iOS 11 then this would be a good time to update. GOTO Settings → General → Software Update.
Apple always updated their feature with better improvements. iOS 11.0.1 is updated for the security issues for your device. Hope so this released is going to be a much better than previous one.
iOS handles your important data even after major upgrade things like Spotlight, re-running face and object recognition in photos.