The Schedule Cleaner function is designed so that you can automatically program the cleaning of your cell phone. For this:

1- Open dfndr performance select Tools at the bottom of your screen and  tap on “Scheduled Cleaner”.
2- Select the frequency of cleaning reminders
3- Choose the time of cleaning reminders,
4- Choose how you want to Schedules Cleaner work:

• Automatic Clean: dfndr performance find the files and delete junk (without showing the list of junk files before)
• Manual: Show the junk files before delete.