The New update is based on Android 10. The software was released on June 22, 2020. The update brings the latest June 2020 security patch to the device as well as there are many bugs which are fixed with the update. The update started to roll out as an Over the Air or OTA update and many users have already received it. If you are an OnePlus 6T user in T-Mobile network and didn’t receive the update, you will probably receive it in the coming days. You can manually check for the software update from the device’s settings. You also have an option to download and flash the update manually.
T-Mobile OnePlus 6T A6013_34_200605 Changelog:
Enables support for additional domestic roaming partners
If you want to read the full details please check the Doc in the T-Mobile website here
Manually check for OTA
Users, who are running the previous build will get the A6013_34_200605 update. If you are one of them, You can manually check for the update, Go To Settings > System Updates > Check for update. It will take a few weeks to reach all corners of the world.
If you are a T-Mobile 6T user, please mention in the comment whether you have received the update or not. Thanks for reading the post.