My mobile phone automatically downloads junk software and can't delete it. What happened?

Refer to the processing method of automatic downloading software for vivo mobile phone:

1. Enter the mobile app store-Manage-Settings-Turn off automatic update, and then cancel the automatic download and update of software;

2. Check whether clicking the software automatic update button is unintentional;

3. Book game software. When the game is put on the shelves, it will be automatically downloaded and installed when connected to the WiFi network;

4. Check whether the software that has not been downloaded before continues to be downloaded due to network reasons;

5. If the mobile phone poisoning causes the software to download automatically, you can enter I Manager-Virus Detection and Kill on the desktop, and then detect and kill the virus or reinstall the system to solve it.