Iphone 4s (sprint) to tmobile? Is it compatible?

I'm buying the iphone 4s off a friend, he uses sprint. The phone is unlocked and he is going to give me the Gevey sim. He claims it will work with tmobile as long as I use the Gevey sim. Is this true?

Yes, the iPhone 4s is a world phone, capable of being used on any CDMA (sprint) or GSM (t-mobile) network.

you just need to install a T-Mobile SIM card, and it should work if its unlocked.

You can unlock it but not with a Gevey sim because you will never find a real one. You need to get a real unlock if you are planning on using T-Mobile. A real world unlock will cost about 120 for a real Sprint unlock.

Tmobile is getting the iphone in 2 months.

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