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If I have a sprint phone will my AT&T sim work in it ?

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If I have a sprint phone will my AT&T sim work in it ?

I bought a phone online and it was used on sprint but I use AT&T. If I put my AT&T SIM in the phone will I be able to use my number to make calls and text ? 

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ACE - Expert

Re: If I have a sprint phone will my AT&T sim work in it ?

There are only a few Sprint phones that will work on AT&T. Sprint is CDMA network and AT&T is GSM network. There are a few phones that have both radios but they are few. Most phones are not compatible on both networks.

This is a user to user forum. I am a user, just like almost everyone else on the site.
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Re: If I have a sprint phone will my AT

So no matter what carrier you buy the device from as long as it is GSM it should work with a At&T SIM?
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ACE - Expert

Re: If I have a sprint phone will my AT


@Hayden_2020 wrote:
So no matter what carrier you buy the device from as long as it is GSM it should work with a At&T SIM?

NOPE depends on the phone and what sprint has done to it in regards to programming.  What device are you talking about?

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Re: If I have a sprint phone will my AT

An iPhone 6s
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ACE - Expert
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Accepted by Hayden_2020
‎12-26-2018 8:34 AM

Re: If I have a sprint phone will my AT

A Sprint iPhone 6s will work perfectly on ATT, provided the phone has been unlocked. The iPhone 6s was universal. Unlocked, it will work on any carrier.

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