The Android 8.1 Oreo OTA update for the Razer Phone has started its rollout earlier today. Its list of features includes multiple optimizations, an improved visual layout, as well as the latest security patches and bug fixes. The update rolls out in stages and all Razer Phone users should get the new firmware within the coming weeks.
https://www.notebookcheck.net/The-Razer-Phone-gets-Android-8-1-Oreo-stable.299288.0.html