Google Dialer 10.0.155920708
I have taken the Google Phone APK from APK Mirror and modified it to work on any Marshmallow or newer Android Device. Credit goes to Kolda_CZ for originally doing this.
Spam Caller ID does not work (see workarounds)
Nearby Places does not work (see workarounds)
Cannot Answer/Decline Calls from Notifications on Some Devices/ROMs
Missed call notifications broken on Samsung Devices with Nougat (see troubleshooting)
App may Force Close when opening (see troubleshooting)
Phones with existing system app with Google Phone app package name will be unable to install