OnePlus starts rolling out the OxygenOS Open Beta 19 for OnePlus 5 and Open Beta 17 OTA for OnePlus 5T. The OTA update weighs around 302MB. As always, the OTA rollout is incremental, so it will take few hours or even few days to reach to all OnePlus 5 and 5T running on the Open Beta channel.

What is new in OxygenOS Open Beta 19/17? OnePlus 5/5T runs OxygenOS Open Beta will get the OTA update for this update soon. Alternatively, you can use the Oxygen Updater app (unofficial) to get the update early. If you are a non-beta user and want to install the OxygenOS Open Beta 19 or 17 on your OnePlus 5 or OnePlus 5T to enjoy latest features, then you can download and install the full ROM, which weighs around 1.6GB. Downloads: OnePlus 5: OxygenOS Open Beta 19 Full ROM [here] OnePlus 5T: OxygenOS Open Beta 17 Full ROM [here] Installation Guide: After downloading the update file, install the update via stock recovery as described below. Follow this guide for details. Keep in mind that since this is a beta OS, it is possible you will run into bugs and other instabilities. (Source)