This is a system program, dynamic wallpaper, browser, magic smoke wallpaper, file manager, music visualization wallpaper, music player, search, calculator, Android keyboard, recorder, voice dialer, terminal Emulator, SIM card toolkit, calendar, calendar storage (remember to make a backup first) Download Android Optimization Master

Open Optimization Master---find Installation and Uninstall---System Weight Loss---you can delete it (This program will automatically back up and uninstall when you delete it. If it is found to be inappropriate, restore it in time)

Be sure to remember to back up when obtaining root permissions!