The Developer build is over, as Google O has matured to the Beta stage. The Beta image for both the Pixel and Nexus devices are up for download.
Users who own Nexus 5X, Nexus 6P, Nexus Player, Pixel C, Pixel, or Pixel XL can taste the latest Android O Beta. It will be an OTA update to the users who will sign up for the Beta testing by heading over to the source link below.
Well, you will get OTA update within 24 hours after signing up for the Beta Update. In order to check whether you’re running Android O beta or not, you can head over to the Navigate to Settings > About > Build number.
Well, it was our most expected thing for this Google I/O 2017.
Source: Enter Here