Every time you reboot your phone (or it reboots itself which can happen with beta software) you'll see a notice that reminds you that the device is running experimental software. Typically, the beta builds are usable. You can expect to see some app crashes, or maybe need to reboot to connect to Wi-Fi or other bugs. When you run into them, you should take a mental note of what you think happened. Talk to others running the same software in the , and if you can pinpoint a bug and reproduce it, hit the Android developers up on or to find the best place to report it.. The Beta Program has a schedule of updates and device builds. The current Android 7.1.2 Developer Preview build is available (as of January 2017) for the Google Pixel and Pixel XL, the Nexus 5X . Android 7.1.2 beta 2 debuted today on Pixel and Nexus devices and, despite being a minor version update, it brings a lot to the table for Google’s devices..