Im in the city so I want to set it up to 3g (im not a techie so im assuming its the right name for it)

the salesman already thought me what to do but I forgot it. What I remember are these.

first, go to tools then option. Second, go to Network. After that dont know what to do :mecry::mecry::mecry:

For the Network Type: wcdma only

right? and for the bands: dont have any idea.