At the end of January Google outed the first beta build for Android 7.1.2, the next iteration of its mobile operating system. Today the second beta build for that version has started rolling out over-the-air to devices that are enrolled in the Android Beta Program. If you have a device running the first beta build, you too should get the update notification soon. The list of supported devices hasn't changed with this release, so giving Android 7.1.2 a try before anyone else is still only possible if you have a Google Pixel, Pixel XL, or Pixel C, Huawei Nexus 6P, LG Nexus 5X, or Asus...
Source: http://www.gsmarena.com/android_712_beta_2_is_now_rolling_out-news-24071.php
