iPhone Duo: news, timeline and key numbers

Reviews of the iPhone Duo, Apple's first foldable phone, appeared on October 21. Many critics singled out the matte nano-texture coating on its 7.6-inch inner screen as the best feature. One writer, Johnson, said every one of the roughly dozen book-style foldables she had used over five years had a glossy inner screen. She said she hoped other makers would copy Apple's approach.

The same day, WIRED reported in its review that Apple plans to add a Reachability feature to the Duo later in 2026. The report tied the feature to the phone's unusual shape. The Duo has a wider, shorter passport form, with a 7.6-inch inner display and a 5.4-inch outer screen.

On October 22, Apple said developers around the world are releasing apps and games optimized for the iPhone Duo. Users can find them starting Friday, October 23. Apple said the apps show how developers are using the extra space and the fold.

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