The latest software update for the OnePlus 9RT has the build version A.11. It is based on Android 11. The update is more than just a vulnerability fix as it brings a couple of fixes and optimizations too. With the A.11 build for the OnePlus 9RT, the device is getting a fix for the camera crashing and the issue with call recoding where it was not visible. Apart from these fixes, the update optimizes network stability and improves system stability.

OnePlus 9RT OxygenOS 11.3 A.11 changelog:

System Fixed the issue that the call recording option could not display Optimized network stability Improved system stability Updated Android security patch to 2022.06 Camera Fixed the occasional issue that the camera crashed abnormally

If you are a OnePlus 9RT user in India, the update should reach your phone soon, if you have not received it already. You can navigate to Settings > System > System updates to manually check if the update is already available on your phone. The OnePlus 9 series has already received a stable OxygenOS 12 update based on Android 12. But, the OnePlus 9RT was left out. In the last week of June, the company started sending OxygenOS 12 Open Beta to the device. In the coming weeks, the stable build should start rolling out. source