Yah its true the iphone 3g can be unlocked,it means you can change the sim without paying extra money. The unlock method is made by  IPhone Dev Team all credits to them.The unlocking software will run as invisible application on your iphone,The only thing is that the iphone should be jailbroken

So let’s See how is this done

1.Firmware upgradation:- Update your iphone 3g to the latest firmware(2.2)

2.Jailbreak it :- Use QuickPwn to jailbreak your iphone

3.Insall the Application:- The application name is yellowsnow you can get the application from the following links given below

For Cydia enter: http://apt9.yellowsn0w.com/
For Installer enter: http://i.yellowsn0w.com/

THATS IT your Iphone 3g is unlocked,the so called yellosn0w is beta version only,so handle it with care

Related Posts :

How to adjust screen brightness Galaxy s2

Blackberry Chat App for Facebook "Chit Chat f...

Samsung Galaxy R

Get the old facebook chat back : Facebook Cha...