A very simple solution for the GSM Android user. The Android Mobile old version or the Cheap China Android Mobile who have only GSM facility and does not contain the 3G in their Mobile .Now they can also access 3G in their mobile with a simpler but useful app.
This app is not created by me .I will not take its credit .This is official build app .you can also download it from google.
The main feature of this app is it will change your internal script of 2G to 3G and you can easily access it.
I have given you the procedue below .it should be followed only after when your internet is activated and also get know that in mobile 3G means WCDMA.So the term WCDMA means 3G this have to be remember always
SEE THE PROCEDURE
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After activating your internet .Open the application and click on WCDMA only which is 3G script and click on the Refresh option and click than update