Contributor
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2 Messages
Using AT&T phone on T-Mobile
I have a galaxy s4 at&t phone but I'm wanting to put a T-Mobile sim card in it, would my phone already be capable of doing that or would I have to get it unlocked?
Contributor
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2 Messages
I have a galaxy s4 at&t phone but I'm wanting to put a T-Mobile sim card in it, would my phone already be capable of doing that or would I have to get it unlocked?
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kdfederer
ACE - Expert
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13.1K Messages
9 years ago
It would have to be unlocked before it can be used on T-Mobile.
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Amber92
Contributor
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2 Messages
9 years ago
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GLIMMERMAN76
ACE - Expert
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23.9K Messages
9 years ago
here is the just of it
https://www.att.com/deviceunlock/?#/
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