Several ways.
Yessim piggy back sim. Voda unlock code from Ebay (for the samsungs, these can be unreliable). Samsung unlock code from the same place (also but less unreliable, and twice the price). Take it to an unlock shop...2 minute job. Unlock server from fonefunshop.co.uk. Obtain the code from Voda (they should either give you the code, or chatge an admin fee though)...Lastly, have you tried another sim in it. Most Voda contract handsets are no longer simlocked. If it's a PAYG, then it will be locked to Voda.
