If you require to set a static IP address on your UseMyNet unit here's how to do it:

Note: This refers to setting the "WAN" or Internet IP adress. This is the port that connects your UseMynet unit to your network or to the Internet.

The LAN or WiFi port of the UseMyNet unit which the customers attach to is set with a static IP addess of 10.0.0.1 and this should not be changed.

From version 1.9 enable the XWRT console from the UseMyNet settings

Open a web browser and go to http://10.0.0.1

If you've not already setup a password you will be asked to do so.

Click on "Network" here you can set the "WAN IP Address"  and Netmask

Click on "Save Changes" then click on "Apply Changes" (You must do both for the changes to work)