RebelSimcard.com have released a new accessory called Rebel 2Phone Dual Standby Sim Case, which will be useful for iPhone 4 users who want dual SIM cards functionality. This Allows iPhone users to make and receive calls simultaneously on their iPhone 4.
Once you have the case, you may have to install “Rebel 2Phone” app on your jailbroken iPhone. The app will let you make and receive calls with both the SIMs. It will also add another battery and signal strength indicator for the secondary SIM.
Here is how dual SIM functionality works:
* iPhone 4 case that has a built-in quadband GSM phone and battery in a aesthetically appealing case
* Also has built-in 800mAH battery
* Users only need to add their second sim Normal Mini size card or a micro sim with a micro to mini sim adapter.
* Jailbreak is Required to install the Rebel 2Phone iPhone application.
Checkout the video below.
As shown above, it also adds a second status bar to show the signal strength of the second SIM and battery indicator.