iPhone for the purpose of, get rid from carrier restrictions or to use other carrier SIM cards. But have ever thought that, you can use two SIM cards on your jailbroken iPhone 4 just like other dual SIM mobile? Yes, you have read the right thing. You can use Dual SIM in your iPhone 4. Now USBFever has come up with a solution which allows you to use two SIM cards. They have newly introduce a Dual SIM Card Adaptor which allows you to hook two SIM cards with the help of a clip.
