OnePlus has stated pushing out Android Pie beta OTA to users of their OnePlus 5 and 5T devices in China.

OnePlus 5 receives Android Pie software update
Users in other parts of the world are set to receive theirs as the stable version of Android Pie is expected in the following weeks before the year elapses. The file size of the latest update, as shown on OnePlus forum is 2GB, this comes together with the OnePlus proprietary coating of the Android Os (Hydrogen Os). Pushing out the updates to users in China first is a bit unsurprising, given that it goes only to the HydrogenOnePlus 5/5T Users Receive updates for Android Pie. OnePlus has stated pushing out Android Pie beta OTA to users of their OnePlus 5 and 5T devices in China. Users in other parts of the world are set to receive theirs as the stable version of Android Pie is expected in the following weeks before the year elapses. The file size of the latest update, as shown on OnePlus forum is 2GB, this comes together with the
OnePlus 5T receives android Pie in China.
OnePlus proprietary coating of the Android Os (Hydrogen Os). Pushing out the updates to users in China first is a bit unsurprising, given that it goes only to the Hydrogen Os phones as only OnePlus phones in China uses the Hydrogen Os which is a bit different the Oxygen Os that is found in OnePlus phones in other parts of the world, this may not be too much of troubles as the only difference between the Hydrogen and Oxygen Operating systems is the lack of Google apps in the Hydrogen Os. Os phones as only OnePlus phones in China uses the Hydrogen Os which is a bit different the Oxygen Os that is found in OnePlus phones in other parts of the world, this may not be too much of troubles as the only difference between the Hydrogen and Oxygen Operating systems is the lack of Google apps in the Hydrogen Os.