iOS 27.2 brought two foldable-specific additions to the iPhone Duo: support for Apple Pencil (USB-C) and Edge Light, a screen-based effect intended to illuminate your face during video calls. The update arrived on October 26, just three days after the phone went on sale, and delivered Apple Pencil support earlier than the previously announced “later this year” window.
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What the iPhone Duo-specific release notes add
The Duo’s separate iOS 27.2 notes list Apple Pencil support and Edge Light as additions for the foldable.
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14 Pencil support works on both the 5.4-inch outer display and 7.6-inch inner display, enabling writing, drawing, and annotation.
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Only Apple Pencil (USB-C) is supported
The compatible stylus is the $79 Apple Pencil (USB-C). Apple Pencil Pro and other Pencil models are not supported, so owning a Pro does not provide compatibility with the Duo.
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Edge Light adds illumination for video calls
Edge Light frames the screen with a simulated ring-light effect to illuminate the user’s face during video calls. The available reporting identifies it as a Duo-specific addition, but does not establish compatibility with particular video-call apps or a connection to the Mac feature the question describes.
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Other changes in iOS 27.2
Beyond the Duo additions, coverage of iOS 27.2 reports expanded Siri AI language support, including French, Japanese, Korean, Portuguese, and Spanish, as well as improved memory functions. Messages also gains suggestions.
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4 The provided release-note excerpts do not confirm the specific actions those suggestions offer.
The key takeaway for Duo owners is straightforward: update to iOS 27.2 to use the USB-C Apple Pencil on either screen or try Edge Light during video calls. The Pencil must be purchased separately, and the update does not add support for Apple Pencil Pro.
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