Set UMTS/WCDMA (3G) in Android Devices as default

Are you using samsung galaxy ace like android devices ?
want to activate 3G as Default setting ?

But could not find any option to do that ?

Den here is the post for you!

Just dial *#*#4636#*#*

and go to phone setting

and Select "WCDMA only "

Thats it..

Enjoy..!