Iphone 4s unlocking/flashing?

I've heard that the Iphone 4s was a "global" phone, meaning it can be used on CDMA or GSM networks.
So, would i beable to take an iphone 4s from AT&T or T-Mobile, unlock it, then have it put on cricket/sprint and vise versa?
Cricket is a CDMA network, btw. I keep hearing mixed answers about this whole thing.
If i unlock it, i would be using the GEVEY SIM( i can easily find info on the web about that) then i would take it to my carrier and have it flashed.

That's no entirely true. IPhone 4S from Sprint, CSpire and Verizon which are CDMA + GSM, are global phones and they'll be unlocked by the carriers when you're going abroad or have completed certain period of contract. IPhone 4S from AT&T or unlocked one are GSM only which means they can't be used with CDMA carriers like Verizon, Sprint, Cricket, etc. That's because they can only take SIM and CDMA carriers are devoid of it.So, if you're planning to use iPhone 4S on Cricket, I would suggest you to buy a Sprint / Verizon / CSpire iPhone and get it flashed to Cricket. If you need iPhone 4S flashed to Cricket at reasonable price, mail me to yonoulee@gmx.com

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