From Planet Computers
Next you will have to download the Linux firmware, which will need to be installed into the microSD card on your Cosmo. Insert a microSD card on your
cosmo and make sure it is formatted as MS-DOS(FAT32).
can download download the latest archive at this address: [http://support.planetcom.co.uk/download/cosmo-customos-installer-beta.zip http://support.planetcom.co.uk/download/cosmo-customos-installer-beta.zip]