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Best iPhone Duo hidden features: See the list.

Mashable·about 6 hours ago
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The stuff I've always wanted to do, but didn't have the foldable phone to do it on.

By

Stan Schroeder

Stan Schroeder

Senior Editor

Stan is a Senior Editor at Mashable, where he has worked since 2007. He's got more battery-powered gadgets and band t-shirts than you. He writes about the next groundbreaking thing. Typically, this is a phone, a coin, or a car. His ultimate goal is to know something about everything.

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on October 27, 2026

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You know about StandBy mode. But do you know about the other StandBy mode? Credit: Stan Schroeder/Mashable

The iPhone Duo is a whole new type of device in Apple's lineup, and the first thought that came to mind when I got it was, "This thing has to have a bunch of cool new hidden tricks."

As it turns out, I was right. After 10 days with the Duo, I've found myself discovering new ways to do stuff almost every day.…

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