Hi there, I wanna share this knowledge with about Oneplus phones on Android 11 since I don’t think its well known how you to fix it. Basically as a “battery saving meassure” Oneplus is secretly without telling the user limiting performance of a wide range of Apps, like Social Media Apps, Browsers, etc. The performance in some cases can be down by a whooping 75% - which can be quite noticable.

Unfortunately there is no easy method to turn this behavior off in the Settings App or whatever. But what you have to do is :

• enter adb shell pm uninstall -k --user 0 com.oneplus.config
• reboot the phone

If you want a further explanation and me demonstrating the issue and how its fixed - check out this video : https://www.youtube.com/watch?v=NqYL6ySTIIQ&t=9s

From my experience I noticed no other issues on my phone and the change had no real impact on my day to day battery life .