Please note that this overclocking mode can only be activated on smartphones with the Qualcomm Snapdragon 855 or newer chipsets running MIUI. Simply enter the combination *#*#8106#*## in the dialer and confirm your intention by tapping on the "Turn on" button. The following warning may appear during the activation process:
GPU overfreq experimental mode could introduce power issues or even more severe problems. However, they will be restored once you turn this mode off.
You will not believe it, but that is all. There is nothing simpler. Users who have already tried this procedure on Redmi K20 Pro and Xiaomi Mi 9 smartphones have published the results of AnTuTu tests. They are impressive! And one more important thing: to disable the overclocking mode you just need to repeat the code typing process.