Automatic updates to Google Play services are delivered independent of carrier,OS, or OEM system image updates. In general, devices running Android 5.0 orhigher receive updates automatically, provided that these devices have GooglePlay services installed and sufficient storage available. This means that usersreceive improvements and bug fixes more quickly, and you can take advantage ofthe latest APIs while reaching most devices in the Android ecosystem. Devicesolder than Android 5.0, or devices without Google Play services installed,aren't supported.