The following steps are recommended: 1. Use the USB cable to connect the phone to the computer. 2. On the computer, open 360 Security Guard, find 360 Phone Assistant, and click "Connect Now". 3. Download and install the mobile 360 Phone Assistant. 4. Select 'My Phone', click 'Manage your phone's pre installed software', and you can accurately see how many built-in software your phone has.You can click "one click root" in the upper right corner, or you can uninstall a piece of software. The system will automatically remind you of "root". Click OK. 5. It takes a long time to obtain ROOT permission, about 5-10 minutes, which is related to the memory and software of the phone. 6. When the screen displays the words "Congratulations, you have successfully obtained the root permission!", it means that you are finished, and then click "Finish". 7. Now that the mobile phone has successfully obtained root permission, you can click 'My Mobile Phone' and then click 'Manage Preinstalled Software' to uninstall. It is worth noting that not all software can be deleted. Some essential software, such as calendar, computer, weather, etc., have been deleted, and the mobile phone may be about to be rebooted. ROOT cannot be returned. You should carefully select the software to be deleted.