Step 1: Connect the Downloader and open the BMS update tool;

Step 2: Set the port number and baud rate, and click the "Open" button

Step 3: Press the reset button of the BMS as shown in the prompt message box

Step 4: wait for 2 seconds, when the "browse..." button can be pressed, click "browse..." to find the need to burn the program, click :"end", wait for the success message box to pop up;

Step 5: Click the "Continue to Burn" button if you need to Continue burning the program. Click "Close" if you do not need to burn again.

Step 6: Proceed from step 3.

If the serial port fails to be sent, re-open the serial port according to the message box displayed!!!

If THE MESSAGE BOX CONTAINING "PLEASE RESET BMS" DOES NOT DISAPPEAR, PLEASE RESTART the SERIAL PORT!!!