Importance Note:
✔ For Ender 3, you just plug in and start printing.
✔ For Ender 3 v2/ Ender 3 pro/ Ender 3 Max/ Ender 3 Neo/Ender 3 V2 Neo/Ender 3 Max Neo, please update firmware. DO NOT TRY RANDOMLY.
✔If you have any other issues with the firmware updating, you can refer to the firmware flash videos available on our product page.