Set up ring door bell

I need to set up my ring doorbell elite, but app say i need to scan the backcode, I cannot because it was already fixed to my wall. there is no small button on upper left too as it says on the tutorial. What do I do? Please can somebody help me.

We’re here to help @yeng! Luckily, this code can also be found on the product packaging or on the Quick Start Guide that came with your device. Check out our help center article for more information. I hope this helps! :slight_smile: