The newest iPhone update is iOS 17, which was released on October 26, 2023. Some of the new features of iOS 17 include:

• StandBy: This feature allows users to turn their iPhone on its side while charging to glance at important information from a distance.

• Interactive widgets: Widgets on iOS 17 are now interactive, allowing users to perform actions directly from the widget.

• Redesigned Lock Screen: The Lock Screen has been redesigned with new customization options, widgets, and a new system for real-time "Live Activities".

• Improved communication features: iOS 17 brings new features for more expressive communication, including the ability to express oneself like never before when calling or messaging someone.

To update to the latest version of iOS, users can go to the Software Update section of the Settings app on their iPhone.