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6) Download the image in the /tmp folder(roots image, zImage, dtb file) and move the rootfs filesystem(rdk*.rootfs.tar.gz) into the 7th partition and kernel (zImage*.bin) image into 3rd partition

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• Build the Rdkb Turris Image
• Flash the build image 
• Setup xconf server ready with rules and download location, for Turris-Omnia device
• Place the upgrading image and checksum file in tftp server 
• Boot the flashed image

Limitations

Yet to have http https support