Anandtech’s conclusion is that OnePlus is “blacklisting popular applications away from its fastest cores, causing slowdown in typical workloads such as web browsing.” The site tested Chrome and Twitter performance extensively, but concluded that the slowdown “applies to pretty much everything that has any level of.
Why is my OnePlus so slow?
Try to update your Oneplus phone to the latest software version and reboot phone. 5. If this problem is not solved, reset your device after back up, go to [Settings]-[System]-[Reset options]-[Erase all data (Factory reset)] (For Android O: [Settings]- [Backup &reset]-[Factory data reset]-[Reset phone]).
