Use a QR code scanning application by searching for "QR code", "QR code scanner", or "QR code reader" on the Play Store or the App Store. Install your preferred QR code scanner, then open it and point your smartphone at the QR code to read it.
Using QR Code Scanner on Instagram
To scan a QR code using the Instagram app:
Access the Instagram app and tap on the top right.
Choose "Story."
Ensure the QR code is visible for scanning.
Add the camera to scan the QR code.
Saving Green Pass QR Code on Android
For users with a Google account, the Green Pass can be saved on Google Drive. Before downloading the app (for iPhone or Android), upload the QR code image to Google Drive. Then, select the "Make available offline" option.