The Fairphone 2 doesn't come with Ubuntu preinstalled and the project to run the OS on the phone is community based and in progress.

http://www.omgubuntu.co.uk/2016/07/ubuntu-fairphone-2-port-u... https://forum.fairphone.com/t/fairphone-2-ubuntu-touch/23475

You can run a version of Android without Google ("Google Mobile Services") on FP2. This is called Fairphone Open OS [1].

[1] https://code.fairphone.com/