A method for booting up an Electronic Paper Display (EPD), the EPD comprising a central processing unit (CPU), an EPD controller, a temporary controller, an EPD screen, a first storage, and a second storage, the first storage storing applications, the second storage storing files capable of being displayed on the EPD screen during a process of booting up the EPD, the method comprising:
- powering on the EPD;
- during a process of initializing the CPU, the temporary controller starting the EPD controller, copying files from the second storage, and delivering the files to the EPD controller;
- and
- controlling the EPD screen to display the files.