Can unlocked verizon/sprint iphone 4s be used with at&t service?

Does the verzion/sprint phones have a sim slot? Can the unlocked ones be used wit at&t service?

No, sprint and Verizon are CDMA and AT&T is gsm meaning they only take sims. Your out of luck

What Brynden said… Two totally different technologies. Verizon and Sprint do not have sim cards cause they are cdma phones.AT&T and T Mobile have sim cards and are gsm phones.

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