Question: what is the latest android os update?
Answer: Android 6.0-6.0.1, Marshmallow: October 5, 2015 (initial release)
Android 7.0-7.1.2, Nougat: August 22, 2016 (initial release)
Android 8.0-8.1, Oreo: August 21, 2017 (initial release)
Android 9.0, Pie: August 6, 2018.
Android 10.0: September 3, 2019.