Ars Technica reports the update has started rolling out to some unlocked devices in the US, and is 386.7MB in size.
(Also See: Android 5.0 Lollipop Review: A Sweet Upgrade)
The Lenovo-owned company has also posted the changelog for the update. Motorola says users will either receive a notification for the OTA update to Android 5.0 Lollipop, and that users can also check manually for the update by visiting Settings>About phone>System updates. With either method, users will have to then select 'Yes, I'm in', to authorise the download of the update, and then click 'Install now'.
Post the update, the firmware will be updated to version 22.11.6. Motorola's announced changes for the Moto G (Gen 2) with the Android 5.0 Lollipop update include the new Material Design UI with fluid animations to new application and system themes, colours and widgets, as well as the new notifications UI that will now appear on the lock screen.
Other announced new features part of the Android 5.0 Lollipop update for the Moto G (Gen 2) include Smart Lock; new interruptions and downtime settings that will offer the option to tailor how interruptions behave; redesigned multitasking; Ambient Display now showing notifications without turning on the full display; revamped Motorola Assist, and Lollipop includes new flashlight option as part of Quick settings.
Also listed are smarter Internet connections and performance improvements via new the Android Runtime (ART) to help optimise app performance.
The company had last month promised the Android 5.0 Lollipop update for the Moto X, Moto X (Gen 2), Moto G, Moto G (Gen 2), Moto G 4G LTE, Moto E, Droid Ultra, Droid Maxx, and Droid Mini smartphones without giving much details on timing.
Last week, the already announced global rollout of Android 5.0 Lollipop was reported to be delayed till November 12 due to some 'outstanding bugs', which was later speculated to be a battery-draining Wi-Fi bug on the Nexus 5.