Activating Someone's Old Phone

Oct 30, 2011
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#1
I have a family members old iPhone that was replaced but was found to be working again. Is it possible to use it on a different line to replace my old 3gs?
 

Lon

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Jun 5, 2010
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#4
But the iPhone 3gs is a smaller sim card than the iPhone 4... its the same carrier (att)
Actually, the 3GS uses a standard size sim card. The iPhone 4 & 4S use a smaller one. There are adapters for sale on the Internet to make them interchangeable.
 

Lon

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Jun 5, 2010
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#6
Just go to AT&T and tell them you need a new sim card for the phone. I think they are like $10 or so. Shouldn't be a problem at all.
Probably the best idea. I was just in last week and they gave me a new sim card to replace a GoPhone card I had that was locked to a particular phone. Gave me the option of regular or mini, at no charge.
 

katelynneemma

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Jan 15, 2011
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#8
They won't use your upgrade for a sim card. I've gone to AT&T a couple of times to switch out phones. The corporate store near me has never charged me for a new sim.