Starting with iOS 11, iPhones and iPads received QR code scanner support in the Camera app. Perhaps the functionality will not seem so important to some, nevertheless, you can find many useful ways of using it.
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Note: If scanning QR codes does not work in iPhone camera, check if the switch is activated Scan QR codes in the application Settings In chapter Camera…
Typically, when connecting HomeKit accessories, you will need to read small coded stickers on compatible devices. In some cases, these codes become unavailable after connecting. To address the issue, Apple has implemented QR and NFC support for customizing HomeKit. Interestingly, the size of the code may not exceed 10 × 10 mm, but the camera still reads it.
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QR codes can be used to add events to the calendar, for example, save information by scanning the code from the brochure.
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By analogy with the Calendar, QR codes can be used to save contact information (when scanning a barcode, the OS will offer to save the contact information encrypted there on the device) or to send e-mail messages to specific addresses.
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Owners of entertainment venues, cafes, restaurants or eateries will appreciate the QR reader support in Maps. Now clients do not need to waste time entering the address, they just need to read the code.
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SMS and (iMessage)
The iOS functionality provides for the ability to send messages after scanning the QR code, which can be useful if the user wants to subscribe to an SMS or send an iMessage.
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One of the most common ways to use QR codes is to connect to a Wi-Fi network. In catering establishments, the QR code can be positioned on the counter so that visitors can connect to the Internet without interference. Note that starting with iOS 11, iPhones and iPads received a new feature that allows you to send Wi-Fi passwords to neighboring devices.
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Owners of smartphones and tablets based on iOS no longer need to dial the number manually, thanks to the support for reading QR codes, the operating system can do it itself.
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When scanning a code containing a website URL, iOS will prompt you to open it in Safari.
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A significant number of iOS apps support the Callback URLs feature, allowing users and third-party programs to create custom URLs for specific application areas. Using this function, you can scan the QR code and go to a specific action in the application, for example, open a specific user’s Twitter page.
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How to create your own QR code
There are a huge number of services for generating QR codes, but not all of them are compatible with iOS 11 and newer. Of those that work with this version of the OS, QRStuff.com is a good choice.
iOS is capable of recognizing QR codes not only through the camera. When you save the code to the iPhone, the system will recognize the content and suggest appropriate actions.