Preinstalled Application Management Method for Mobile Terminal and Mobile Terminal

A mobile terminal comprising:

• a non-transitory storage memory configured to store a first directory and instructions, wherein an installation package of a first preinstalled application is stored in the first directory;
• and
• a computer processor coupled to the non-transitory storage memory, wherein the instructions when executed by the computer processor, cause the mobile terminal to:
• uninstall the first preinstalled application, the first preinstalled application having user-level permission that allows uninstallation by a user, the first preinstalled application being installed in the mobile terminal as factory defaults before the uninstalling, and the installation package being retained in the first directory after the uninstalling;
• start the mobile terminal when the mobile terminal is restored to factory defaults;
• automatically scan, in response to the starting the mobile terminal, the first directory;
• and
• automatically install the installation package of the first preinstalled application in the first directory based on the scanning to install the first preinstalled application.