The Video Doorbell uses Bluetooth during the setup process
Ensure Bluetooth is turned On on your phone and is not connected to any Bluetooth devices
Ensure that Data is turned Off on your smartphone and the phone is connected to your Wi-Fi
If selecting Doorbell during the setup keeps failing, download the following 2 files to upgrade the Firmware on your Doorbell
v1.3.4.22
ALC SightHD Video Doorbell Manual FW Upgrade