USG 20 ftp://ftp.zyxel.com/ZyWALL_USG_20/firmware/
USG 20W ftp://ftp.zyxel.com/ZYWALL_USG_20W/firmware/
USG 50 ftp://ftp.zyxel.com/ZyWALL_USG_50/firmware/
...other models don't seem to have the firmware available as of yet
↧