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Users with a camera phone equipped with the correct reader application can scan the image of the QR code to display text, contact information, connect to a wireless network, or open a web page in the phone's browser.
The Barcode Scanner can automatically search the Web to identify a product with a barcode and use, for example, price-comparison information between vendors. The application can decode several 2D barcodes including the widely used QR Code and Data Matrix.
You can use it to scan documents, QR codes and more, allowing you to save IRL files in a pinch, pull up menus at restaurants and even check grocery prices on the fly. Here’s how to scan almost ...
Most modern smartphones are able to decode barcode using their built-in camera. Google's mobile Android operating system can use their own Google Lens application to scan QR codes, or third-party apps like Barcode Scanner to read both one-dimensional barcodes and QR codes.
The app now includes built-in scanning functionality, which you can access either via 3D Touch on the app’s icon, or you can do a search for “QR” in spotlight.
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Without modern apps or full keyboards, QR codes were convenient, automatic ways to open URLs, add a contact to your address book, or send a pre-defined message.