will at&t version of the s4 work with a Verizon SIM card?

[Beth Rose]

I want to give my at&t s4 to my boyfriend and go back to my iphone... Will his Verizon SIM card work with an at&t s4 or so I have to do something additional to the phone for it to work?

 

[iFebby]

Sadly no. Ive never heard of a gsm working on cdma. Though Verizon devices could be used with att. Ha.

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[Raptor007]

Verizon and Sprint typically have GSM added to their phones for international use, but the GSM carriers are already there with support for International use and see no possible reason to support US CDMA carriers.