Okay so for about a month when the iPhone 4s first got released they were unlocked on sprint. Now does that mean they are factory unlocked like I can put a ATT sim card in it and it work, or...?? I don't know what it means by the sim is unlocked. I know mine is unlocked because i pre-ordered it and got it before they started locking them.
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Begining sprint iphones unlocked question
- Thread starter Jongo1
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Domestically it will not lock onto ATT or TMOBILE towers using a domestic carrier SIM.
All it really means is that you can put in a foreign carriers sim and it will work.
Because domestically sprint and apple want you to use it on sprints network.
If you put in a foreign sim you can lock onto AT&T or tmobile towers, but that would be crazy $$$$$
Radio is programmed to not connect to domestic network when domestic sim installed. All pretty standard, sprint has done this with most of their world phones.