I own a sprint iPhone 5 and an unlocked iPhone 4. I was wondering if it's possible to use the Sprint iPhone 5 nano sim card in my iPhone 4 with a nano to micro sim card adapter? I would like to have the option of using my iPhone 4 whenever I decide to. I already attempted to put the sim card from my iPhone 5 into the iPhone 4, but I got a message that the sim card was locked. Please help!
Apples and Oranges:
You see, the thing is, you have a GSM IP4, which can only be used on a GSM network. If all you need is a SIM, you can get one for $25 or so from whichever GSM carrier you decide to use it on.
Message was edited by: seeblue1
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