Samsung galaxy & barcode scanner samsung galaxy s4 : how to scan qr code (android kitkat) how to use barcode scanner app on droid phone - duration: 1:25.. So you’ve seen qr codes everywhere, but don’t know how to use/scan them using your galaxy s4. here are some simple instructions. while there are many apps (for example, goggles, qr code scanner and redlaser scanner) out there that can make your android phone works as a code scanner, qr droid (free) is the one that i’m using as an example here.. Xda-developers legacy & low activity devices samsung galaxy gio gt-s5660 galaxy gio gt-s5660 q&a, help & troubleshooting cant uninstall barcode scanner app by sdequant xda developers was founded by developers, for developers..
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