I believe it's only Android 10 onwards that has the QR Code scanning feature [1][2][3] since it was added by Google in order to support the new Wi-Fi Easy Conne

I believe it's only Android 10 onwards that has the QR Code scanning feature [1][2][3] since it was added by Google in order to support the new Wi-Fi Easy Connect standard [4] (the replacement for WPS). [1] https://9to5google.com/2019/03/13/android-q-wi-fi-sharing-qr/ https://9to5google.com/2019/03/13/android-q-wi-fi-sharing-qr... [2] https://www.androidpolice.com/2019/09/12/every-new-android-10-feature-detailed-changelog/#Entirely_new_Q_features https://www.androidpolice.com/2019/09/12/every-new-android-1... [3] https://www.androidpolice.com/2019/06/10/android-qs-wi-fi-easy-connect-is-a-more-secure-replacement-for-wps-authentication/ https://www.androidpolice.com/2019/06/10/android-qs-wi-fi-ea... [4] https://www.wi-fi.org/discover-wi-fi/wi-fi-easy-connect https://www.wi-fi.org/discover-wi-fi/wi-fi-easy-connect