Use it at your own risk! (Don't flash it on any P ROMs）The dtbo.img is extracted from the Chinese version of miui 8.13,so you better use version 8.13，Some people use 69hz not smooth，66hz is the best option。（More than 69hz on Android Q is very slow）
-Download the attached zip, unzip it
-Open TWRP
-Backup your dtbo partition
-Select the corresponding dtboxx.img,choose the dtbo partition,the flash it
-Reboot
You should see the changes immediately after the restart. It's way smoother than...
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-Download the attached zip, unzip it
-Open TWRP
-Backup your dtbo partition
-Select the corresponding dtboxx.img,choose the dtbo partition,the flash it
-Reboot
You should see the changes immediately after the restart. It's way smoother than...
Read more