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Story summary
- Apple’s iPhone Duo lets users run two apps side-by-side on its 7.6-inch inner display.
- Split View operates only in landscape orientation on the inner display.
- Touch-and-hold an app icon, tap “Open in Split View,” then choose the companion app.
- Tapping the divider locks the apps as a pair that always launches together.
- Dragging the divider to an edge unpairs the apps, fixing a 50/50 split with one app playing audio.