The Nexus 5 smartphone is upon us and has introduced a new version of Google's mobile operating system, 4.4 KitKat. As usual older Nexus devices are the first to get updated to the new version and that starts today. Read our Nexus 5 vs iPhone 5S comparison review.
Google said on its Android Twitter account that the Nexus 7, original and 2013 models, and the Nexus 10 will be getting Android 4.4 KitKat from today.
The firm also said the Nexus 7 with mobile data and the Nexus 4 will be getting the software update 'soon'.
If you're a Nexus owner then look out for a update notification for the new operating system. You can also manually check for the download in settings, about device, system updates. See also: How to update an Android OS smartphone or tablet.
Android 4.4 KitKat, originally called Key Lime Pie, brings a new look interface and plenty of new features. Google Now is one swipe away from the main home screen, the status and button bars are transparent and you can say "Ok Google" to activated voice search and controls.
Google has made the new hangouts app the default text messaging app and users will no doubt benefit from the Immersive Mode which lets apps take over the entire screen.
There are other improvements too but we've heard that some KitKat elements are exclusive to the Nexus 5 so we're keen to see what the OS looks like on the Nexus 7, Nexus 10 and Nexus 4.Let us know how you get on with the update and the new system below.