Cleaning speed refers to cleaning up junk files in mobile phones. Because there are a lot of junk files in the mobile phone, it will lead to mobile phone cards, so it is necessary to clean up the junk files in the mobile phone regularly. You can download a Tencent mobile phone housekeeper in your mobile phone, and then use Tencent mobile phone to clean up your home, speed up the cleaning of your mobile phone and slim down. You can clean up the big files or photos in your mobile phone.