Moto X4 was first announced in September this year at IFA Berlin and was launched in India in November. There was a regular variant as well as an Android One variant which will be getting up to two years of software updates. Google promised that the Android One edition would be updated to Android 8.0 Oreo before the end of this year and to Android P, whenever it will be available.
Google’s Project Fi for Moto X4 is here, and users are beginning to receive the Android 8.0 Oreo update in the US. The OTA (over the air) update comes with Build number: OPW27.1 which is about 1 GB in size. Additionally, it Also carries the December security patch in addition to all of the new features introduced with 8.0 Oreo-like Notification dots, Autofill, Picture-in-Picture, and the latest emoji.
For now, this update is only available for the Android One variant of the Moto X4. Given it is an OTA upgrade, this will take some time, but ultimately the other models will get the software upgrade as well.