For OS versions without built in scanner, or where the scanner is some garbage from your hardware vendor, there's an open source scanner both on f-droid and on

For OS versions without built in scanner, or where the scanner is some garbage from your hardware vendor, there's an open source scanner both on f-droid and on the google play store if that has your fancy. I've been using it forever and so far it supported everything I threw at it. https://f-droid.org/app/com.google.zxing.client.android https://f-droid.org/app/com.google.zxing.client.android