The OnePlus 8, 8 Pro and OnePlus 8T smartphone users receive the latest OxygenOS 12.1 based software update. The OTA update was confirmed over on the official OnePlus Forums and is likely available for anyone with the handset already, you can check to go into settings and then tap software update.
The latest software update comes on the build number OxygenOS 12.1 C.17.
Changelog:
System
- [Optimized] the stability of sending and receiving messages
- [Improved] system stability
If you have the OnePlus 8, 8 Pro and OnePlus 8T, then you can check the update manually by going to the device Settings > System > System settings > Download and Install!
Note: Before upgrading to the latest version make sure your smartphone is connected with a proper internet connection, we recommend you to download it over WIFI so that you will not face any errors.