802.11i

you probably found that already .. I'll repeat my post from another thread.

tools / settings / connection / access points / choose AP / WLAN security mode / 802.1x ..
go back then into WLAN security settings / wpa/wpa2 =

.. this is the part I leave to you guys .. since there are so many variations

This link might give you a hand getting your ssl stuff sorted ..
https://blogs.forum.nokia.com/view_entry.html?id=412

Let us know how you get on! 😊

I use mine with a Apple Extreme 802.11n Router, using WPA2 only security, works fine.