IGEP Firmware Debian
Download Latest Firmware
Instructions needed to decompress in the SD
sudo tar -xvzf [your_compressed_rootfs] -C [target_location_rootfs]
For example, to uncompress the rootfs of the link into the rootfs partition of the MicroSD Card you can write:
sudo tar -xvzf /home/user/Downloads/debian-stretch-armhf-igep-base-no-version.tgz -C /media/user/rootfs