Extract this image,
tar -xvf <download_path>/V1.0.0-core-image-full-cmdline-mickledore-5.10-rk3399-vaaman-2025111352703-sdcard.rootfs.tar.gz
You can flash to eMMC or SD Card,
For eMMC,
Step - 1
Download the rk3399_loader, https://downloads.vicharak.in/vicharak-vaaman/rk3399_loader_v1.30.130.bin
After downloading you can use upgrade_tool or rkdeveloptool,
sudo ./upgrade_tool db <download_path>/rk3399_loader_v1.30.130.bin
Step-2
Flash the image,
sudo ./upgrade_tool wl 0 <download_path>/<extracted_image>
SDCard
You can use either balenaEtcher or dd.
BalenaEtcher - Open and select the image and select the SDCard device and click on flash.
For dd you can do this way,
sudo dd if=<download_path>/<extracted_image> of=/dev/sdX status=progress
Here X should be replaced with the corresponding SD card device number.