100% Brand New

Unique Design !! Let your IPHONE 4/4S Get Two Call Numbers for your Free Choice Conveniently and Easily to change sim card without power on or off !

An interface ribbon cable connects the micro-SIM card tray (SIM 1) to a standard SIM card adapter (SIM 2). It folds around the back of the iPhone 4/4s to a place where the case holds them in to position.

The back case has a raised area to keep the second SIM card safe and secure and also prevents your iPhone from getting possible back scratches. Now you can switch between SIM cards and handle all your calls on the same phone.

Both numbers will be displayed on your iphone screen by embeded application.You can Choose Which number to use from that embeded menu or Let Two Numbers Switch Automatically by Setting up Auto-Switching time from that menu. you can edit display name of each SIM card for your convenience.

• Auto-switch between SIM Cards; Enable to edit switching time.
• Enable to edit display name of SIM
• Perfectly fitting iPhone 4/4S gives a non-slip coating.
• Cut outs for all the iPhone 4's features - without removing it from the case.
• Slim fitting design adds no extra bulk - Fits perfectly in your pocket

Check photo http://www.hi-smartphone.com/image/ebayimage/DUAL-1.jpg

Note 1, This adapter's embeded program is designed for Apple iPhone 4 /4S ONLY 2, You don't need to jailbreak your iphone before you use this dual sim adapter. 3, This item only work on WCDMA and GSM. 4, Please make sure there is no network lock for your iPhone. 5, You can conveniently choose any one number online, but Not both numbers online at same time.

This auction Comes with two weeks of replacement warranty