Yes, a phone case does work with the iPhone Duo. In fact, Apple has already revealed two different versions for the foldable phone. One version, called the iPhone Duo Folio, features a kickstand intended to allow users to set up their phone for reading, Facetime or viewing content, Apple said.

An Apple user noticed an odd feature in the new foldable iPhone Duo.

Apple is unveiling its latest generation of iPhones on Wednesday at an event headlined by new CEO John Ternus, who took over from Tim Cook on Sept. 1.

Apple is hosting its "Surprise and Shine" event on Sept. 9 at 10 a.m. PT. Apple has already confirmed that we'll see the newest generation of iPhones, but we're also expecting new AirPods, Apple Watches, and more. You can watch the event live on Apple's website, YouTube, and Apple TV.

The iPhone 18 Pro, Pro Max and iPhone Duo are coming soon, but the baseline model is presumably coming next year, likely for these reasons.

Apple will hold its annual product event on Wednesday as customers worldwide await fresh products as well as the debut of Apple CEO John Ternus.