Adnan.Faiz , via OnePlus 9 co-developed with Hasselblad , Dec 7, 2021 : Today i got the android 12 update on my OnePlus 9 stable update but after update processor change from 888 to 855 and also attaching the screen shot
Aaron2017 , Dec 7, 2021 : Yes, that's a bug in displaying the wrong information in the settings menu. Many have reported this in the official update thread already https://forums.oneplus.com/threads/oxygenos-12-for-the-oneplus-9-and-oneplus-9-pro.1524378/ You can report it to them here if you want https://forums.oneplus.com/feedback
harshit.b. , via OnePlus 6 , Dec 7, 2021 : A software update won't be able change the hardware. It's just a bug, don't worry about it.
pablofg1978 , Dec 7, 2021 : Hello there, Please read and use the official update thread for any update related discussion https://forums.oneplus.com/threads/oxygenos-12-for-the-oneplus-9-and-oneplus-9-pro.1524378/ Instructions on how to report bugs and leave feedback are on the first post A software update can not chage your hardware, your SOC is the same as it was before the update. Thread closed