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Can i use my unlocked Sprint iphone 4s on AT&T's $25 prepaid plan?

Can my unlocked Sprint iPhone 4s be used on AT&T's $25 prepaid plan? I recently opted out of my two year contract. When I plugged in the AT&T gophone mini sim to activate it, it says "sim not valid" and says only compatible sim cards from a supported carrier may be used to activate the phone. Please help!

iPhone 4S, iOS 5.1.1

Posted on Sep 13, 2012 7:02 AM

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18 replies

Sep 13, 2012 10:10 AM in response to Michael Black

I've seen videos of the Verizon iPhone 4S running on the AT&T network, but it had a European prepaid SIM and was roaming on AT&T.


If they will also work with an AT&T SIM, then my guess is that Verizon iPhone 4S has been jailbroken and I would be honest and tell folks that we cannot discuss jailbroken iOS devices here in the ASC. Then people know the truth and understand.

Can i use my unlocked Sprint iphone 4s on AT&T's $25 prepaid plan?

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