5.1 Android Lollipop Officially Announced The Nexus Begin Update Now

Google has just officially announced the first major update of Lollipop with the launch of Android 5.1, a new version which improves stability and performance, offering new features such as the official support for multiple SIM cards, new Device protection and voice of high definition (HD) compatible phones.
The most important novelty of Android 5.1 is that Device protection, and is that if we lose or they are stolen by the device it will remain blocked completely until We begin with our Google account login, even rebooting the device factory. With this improvement if they rob us of the mobile and restored since the Recovery data may not use it if you don’t know your password.
Other developments that Android 5.1 We will find are able to select Wireless and Bluetooth from the speedy adjustments, hide a popup notification, delete dynamic quick settings options, and disable mode silence with our alarms.
5.1 Android Lollipop It will begin to arrive from today to the family of Nexus devices, namely 4 Nexus, Nexus 5, Nexus 6, Nexus 7 (2012-2013), 9 Nexus and Nexus 10. As usual the update will come form staggered users over the next few days.