Swift2.3 code for Beacon detection

Question

We are in advanced stages of developing a Swift2.2 app and hence have decided to migrate to 2.3 in the interim and do the full Swift 3 migration later. However we are unable

Answer 1

While I was testing beacon ranging, I downloaded multiple applications that I forgot to uninstall. After I uninstalled all beacon-related applications and re-installed just the needed applications, I was able to get ranging beacons to work.