Sources con non-free
deb http://ftp.es.debian.org/debian/ jessie main contrib non-free deb-src http://ftp.es.debian.org/debian/ jessie main contrib non-free deb http://security.debian.org/ jessie/updates main contrib deb-src http://security.debian.org/ jessie/updates main contrib deb http://ftp.es.debian.org/debian/ jessie-updates main contrib deb-src http://ftp.es.debian.org/debian/ jessie-updates main contrib
Instalación de firmware:
apt-get install firmware-iwlwifi