The best hidden features in iOS 11, Apple’s major software update for iPhone and iPad

The iPhone's camera app can scan now QR codes.

Previously, iPhone users had to use a third-party app, like Snapchat, to scan QR codes.

The Notes app now has a built-in document scanner.

The scanner turns paper documents into editable and searchable PDF files.

You can drag and drop pictures and other files between apps on the iPad.

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