But even if my phone did have the right kind of radio for Bluetooth 4.0, my current operating system, Android 4.2.2, doesn’t support Bluetooth Smart.

One setting still holds Android Bluetooth tracking back, but an upcoming device setup change could fix it ...

Bluetooth is necessary for the Find My Device network on Android to track a device. However, users should still be able to turn off their device’s Bluetooth and ignore the Bluetooth auto-on toggle.