According to various sources, the Android 7.1.2 Beta 2 update (NPG47I) brings new features such as fingerprint gesture on Nexus 6P, Pixel launcher for Pixel C and a new multitasking UI. The OTA update is starting to reach all devices that have signed up for the Android Beta program, but if you prefer manual installation or not signed up for beta program you can download the update from here (not yet live).

  Note that full changelog of this update (NPG47I) is not yet available. The update includes a number of bug fixes, optimizations and March 5 security patches, as well as new features like fingerprint swipe gesture (for nexus 6P), Pixel launcher & modified navigation bar icons (for Pixel C) and new multi-tasking user interface. For those who are looking for manual installation, follow below guide. This method will ERASE your device, so make sure you have backed everything up first. It is recommended for tech-savvy users only. Note: This is a beta version of the OS, so it can contain bugs that can affect normal functioning of the device. It is recommended that inexperienced users should wait for the final release, which will be released in a couple of months. Manual Installation Guide

  1. First, download the Android factory image for your device from here
  2. Setup ADB and fastboot drives on your PC and follow the flashing instruction as described here. (Source – Google)