Can a AT&T iphone 4s work on Sprint?

If so what do I need to do to it? Are their any problems with it doing it?

Sprint is a CDMA company which does not use SIM card so AT&T iPhone might not work on their network

but you have to stop at any sprint store to clarify or call them on phone to find out.

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CDMA Iphones will never work on GSM carriers…

GSM Iphones will never work on CDMA carriers…

I'm so beyond sick of explaining "why"!

Google It. I must have answered this questions 2 a day

Nope, it won't.

No it will not work.AT&T is a GSM provider (use phones with SIM), Sprint is a CDMA provider (phones with no SIM). They are completely different wireless technology and therefore not compatible.

However, you can use your AT&T iphone 4s with any GSM prepaid providers if unlocked.