dfndr performance can be used to remove internal cache files to free up storage and optimize your device using the Advanced Cache Cleaner feature.

To activate it, follow these steps:

1- Open dfndr performance, select Tools  and select “Advanced Cache Cleaner”.

2- Grant “Accessibility Permission” to the app by following the steps on screen.

3- Once permission has been granted, the scan will begin. Wait for the scan to complete.

4- You can see which apps had their cache files deleted by selecting “Junk files deleted”.