Whatsminer H3 control board firmware burning guide

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Whatsminer H3 control board firmware burning guide

1. Download and unzip the "H3 SD card Program" from Whatsminer's official website.

2. Insert the card reader with the memory card into the PC and run the unzipped PhoenixCard application.

3. After opening, the following interface will be displayed:

1) Select the firmware, and select the image file with img in the version file;

2) Click "Burn Card";

Note: If the card burning fails, first select "Restore Card," then close it, and then follow the steps 2~3 in a loop; the card burning process will take about 1 or 2 minutes, and the card will be displayed in green when the card is burned successfully, as shown in the figure:

3) After burning the card, take out the card, insert it into the card slot of the H3 control board, insert it in the direction shown in the figure, and then power on (Note: the H3 control board does not need jumpers).