How to get 3g speed in 2g network

Everybody want to use3g speed,but it is to expensive for some people..Today i will show you how to get 3g speed in 3g network.

Enter the below given code in dialpad

*#*#4636#*#*

the new window will open "testing",now select phone information and scroll down..

You can see a option 'wcdma preferred' replace it by wcdma only...

It's done..