Today Google has released the latest version of Android 6 which is also known as Android M abbreviated as Android Marshmallow, Mobile Operating System for its Nexus devices and the same version will be available to other devices shortly. Android M holds more important features that are included in Android M like battery life improvement with the new feature called Doze, it also added the app permissions that helps the users to handle for the app installations, New Ram Manager, improved volume controls and much more to it.
Most of the feature was already described and previewed in the Google I/O that held San Francisco this year. Initially the updates are available for Nexus devices from Nexus 5, Nexus 6, Nexus 7, Nexus 9 and Nexus Player also with the newly launched devices Nexus 5X and Nexus 6P. Users can also download the images from here and install manually for the respective devices with the instructions on it.
Users can use ADB (Android Debug Bridge) tool to fast boot and perform the update from the downloaded images for the respective devices. The manual steps for upgrading the Android M which is available for the users according to the instructions on the Google Developers page.