Possibly the single best feature on the Samsung S390 is Wifi so in this how to we are going to learn the simple steps for setting this up. You should have your wireless network key/password ready as you will need it to complete the setup. Don't worry about the other settings as the phone auto configures them for you. One you have it set up you can enjoy web browsing and videos on a fast connection.
If you find the keylock on the Samsung S390g as annoying as I do, then perhaps you want to disable it ASAP. Scrolling through the menus it's not immediately evident how to do it so here is a how to showing you how to disable the factory enabled Key Lock.