Ternus spent 15 years planning the iPhone Duo

New CEO John Ternus believes Apple should get designs right rather than launch early or emulate rivals, and the iPhone Duo is an example of that.
John Ternus and the iPhone Duo - image credit: Apple.
Ternus was named as Tim Cook's successor in April 2026, around 25 years after he first joined the company. But after just 10 years, he was already involved in what would become the iPhone Duo.Speaking to Time magazine, he said that he and five fellow engineers had even filed a patent for foldable de