During the install, you are asked for a display type. You are shown 5 options but are told to select between 1-4:

Please select your E-Paper Display version:

1. epd2in13
2. epd2in13_V2
3. epd2in13_V3
4. epd2in13_V4
5. epd2in7
   Enter your choice (1-4):