O1596946288064 , via OnePlus Nord , May 18, 2021 : Hey one plus , Can anyone please tell how to roll back to oxygen os 10 , I got sick using this oxygen 11 , facing multiple problems 1. Notification delay 2. Over heating 3. Battery draining 4. Restarting automatically 5. Hanging automatically 6. Slow charging 7. Bad camera 8. Heating issue while playing games a lot more issues ,please help to rollback to OS 10 officially . Thanks.