Also, will all of the functions (such as applications. iTunes, internet, texting, email, etc.) that work with AT&T work with T-Mobile?
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Also, will all of the functions (such as applications. iTunes, internet, texting, email, etc.) that work with AT&T work with T-Mobile?
An iPhone is designed to work with GSM carriers.Since its unlocked you can switch over to other GSM networks.Only locked phones,will not accept the other carrier simcards.I had a locked one,and after unlocking it through the permanent remote unlock service from Theunlockspot.com I was able to swap networks in my iPhone.