ZyWALL USG20W - How to Upgrade a Firmware

The firmware updating process and fear of encountering problems might sometimes scare you off from enjoying the benefits that come by new datecodes! In this tutorial, we want to take that fear and show you how to smoothly install the latest firmware to get the most out of your products! More guidelines and tutorials can be found here: http://onesecurity.zyxel.com/tutorials/ If you need support, please contact us via http://www.zyxel.com/form/contact_support.shtml?