Talking about the timeline, the aforementioned Xperia smartphones will be updated from September to November 2018. HTC, on the other hand, will announce the update schedule of Android Pie for its devices later. As expected, both smartphone manufacturers are prioritising the major Android update for their flagship and other top-end devices, however, their other models that were launched recently can also be expected to be included in the succeeding updates.
The Final build of Android P, before it’s rolled out officially, is currently limited to Google Pixel series of devices like the Pixel, Pixel XL, Pixel 2 and Pixel 2 XL. The select few brands, which were a part of the initial testing of the software like Sony Mobile, Xiaomi, HMD Global, Oppo, Vivo, OnePlus and Essential will also be receiving the final build of the OS in the fall.