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Can I use my Verizon iPhone 4S on T-Mobile?

I have a 4S and I'm thinking about switching to T-Mobile. Can I use it on the T-Mobile network since it has a GSM sim? Will it need to be unlocked?

iOS 6

Posted on Apr 6, 2013 1:07 PM

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6 replies

Feb 1, 2014 8:30 PM in response to j-picard

Because Verizon refuses.


The iPhone 5 and 5S activated with Verizon are unlocked on the GSM side for use with a GSM carrier's SIM card in the U.S. and worldwide.


The difference with the iPhone 5 and 5S activated with Verizon is due to the iPhones being LTE network compatible. Verizon was required to do this by the FCC with the iPhone 5 and 5S due to the LTE bands Verizon was granted to use in the U.S.


Not so with the iPhone 4S which is not an LTE compatible phone.

Can I use my Verizon iPhone 4S on T-Mobile?

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