Dual SIM Adapter Case for Iphone 4

We find number of mobile phones with option to use dual sim cards . Here is one iPhone dual sim holder , first published in Engadget , which can be used to hold two full-sized sim cards. It works with the micro sim card of iPhone 4 and comes in a clear plastic case . The SIM Card holder is worth 30$ , which enables you to switch between two carriers [one at a time] from the internal phone menu.


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