Hello guys I will tell about my experience about this clean master application. I install this app for cleaning my junk files and smooth handling of phone. But it is waste app that when I click on clean button which shows in app and I click it. Thats all my important files and large files are deleted from my storage. It is worst app. This app is designed for cleaning and handling your mobile for smooth running. But this app is waste of storage to your Mobile. It is not working for cleaning junk. please dont use this app . It is waste of Mb. Thank you.