How to flash Debian 12 eMMC image

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Download prebuild WIC image

Download from :

Debian12

Prepare a bootable SD card

 sudo dd if=${WIC_IMAGE} of=${SD_DEVICE} bs=1M conv=fsync status=progress

Copy image to USB disk

 sudo cp ${WIC_IMAGE} ${USBDISK_MOUNTPOINT}

Flash to eMMC

1. SD card boot

2. Insert USB disk and mount 

 mount /dev/sdx /mnt/

3. Flash image 

 dd if=/mnt/${WIC_IMAGE} of=/dev/mmcblk2 bs=1M conv=fsync status=progress

 

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