Why am I unable to connect to the net with my sim card?

[Windows Central Question]

connecting to net with my sim card

I have purchased microsoft lumia 535 and i am using the sim card for connecting to data and the simcard is an 3G card while i am trying connect it its not connecting with 3G its connecting only to edge but when i am using the same simcard with my samsung mobile its connectig to 3G directly ,please provide me an solution for this problem with microsoft lumia 535.