In Firefox for Android, you can scan a QR code simply by tapping the address bar and pressing Scan. Tap the three-line button in the bottom-right corner of the screen, choose Settings and select 'Useful features.' Switch on 'QR code scanner,' then tap your address bar and select 'QR code icon' to add a scanning shortcut to the browser. On Samsung phones, you can activate this option in the Samsung Internet browser. Rather than scan a QR code with your camera app and then open its link separately in your browser, some Android browsers let you scan and open codes directly. How to scan a QR code with your Android browser Also, unlike many free QR code scanners, it’s completely free of ads. We recommend QR Code & Barcode Scanner, which works quickly even when you’re some distance from a code and doesn’t require an internet connection. On older phones that run Android 7 (Nougat) or earlier, you’ll need to install a third-party app to scan QR codes. Alternatively, install the Google Lens app to add a shortcut to your home screen. Either long-press the Home button or say “Hey Google” to open Assistant, then tap the Google Lens icon. If your phone is running Android 8 (Oreo), you can scan QR codes with Google Lens via Google Assistant. How to scan a QR code on older Android phones You can also access the 'Scan QR code' option by swiping down from the top of your screen to open the Quick Settings tray. On Samsung phones, which use their own technology for scanning QR codes, ensure that 'Scan QR codes' is turned on in the Camera app’s settings.

Go into your camera app’s settings and switch on Google Lens there.

If nothing happens when you scan a QR code with your camera, you may need to activate Google Lens manually.

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