https://www.cnbc.com/2017/11/02/google-pixel-xl-ships-without-android-installed.html >Some people who are buying Google's new Pixel XL 2 smartphone are receiving the device without the operating system Android installed. >Android is the software that powers the entire phone. This would be akin to an iPhone arriving without iOS installed. Users on Reddit are reporting the problem, noting that the phones display a "No Valid OS" message when powered on. The issue was first reported by 9to5Google.