iOS 15 is the fifteenth and current major release of the iOS mobile operating system developed by Apple for its iPhone and iPod Touch lines of products. It was announced at the company's Worldwide Developers Conference on June 7, 2021, as the successor to iOS 14, and released to the public on September 20, 2021.

On June 6, 2022, at WWDC 2022, its successor, iOS 16, was announced.

iOS 15 is the final version of iOS supported on or by iPod touch, as its successor, iOS 16, drops support for iPod touch.

Wikipedia Page :- https://en.wikipedia.org/wiki/IOS_15

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