we need Oxygen os 11 with android 11 update
Why do you need it? What is it with you people? It's not even that great. 10 is better.
No you don't, you "want" it.
Needs are a special kind of want, and refer to things we must have to survive.
Deep Dive - OnePlus Band Blood Oxygen Saturation Monitoring
by Leo X., 2021-01-18