The TSA now has scanners that can read these electronic passes as well: just present your mobile device with the ticket on screen and your personal ID. The pass can also be used to check any bags at self-service machines, airline counters and curbside kiosks. If you have a seat change or upgrade, or a change in the departure gate, your boarding pass can be refreshed electronically to display the new information. The QR code acts as a unique link to all of your flight information.Anytime you need to present your boarding pass – at security checkpoints or at the gate – you hold up your QR code to a scanner, which reads the information.You click the link in the email to retrieve your QR code.The airline sends your boarding document, with a link to your QR code, directly to your mobile device via e-mail.The mobile boarding pass is essentially a paperless e-ticket.
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How to Use QR Codes as Mobile Boarding Passes Most smartphones come equipped with a QR code reader, but if yours does not have one, they are also available for download – just make sure you pick one that is compatible with your device. Once scanned, the code links you to more information about the product, story, person, etc. Smartphone and tablet users with a QR code reader can point their device's camera at the code and snap a photo. QR codes are those ubiquitous blocky barcodes that are starting to pop up on everything from magazine ads to baby food jars.
One of the newest mobile developments is the ability to check-in to a flight via a mobile device using a QR code, or mobile boarding pass.
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