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Using a family member's upgrade to go from 3G to 4G (WARNING!)

Mar 15, 2010
36
3
Just a heads up if you are planning to upgrade your phone using a family members' eligible upgrade: if you are upgrading to a 4G device from a 3G device, you need to bring in your family members' phone to the store, so they can give them a new SIM card. 4G devices use a different SIM card, so I couldn't use my 3G SIM card on my new phone.
 
Well the normal thing to do would be to put my SIM card in the new phone. But I got the Skyrocket which is LTE so it doesn't take my 3G SIM card. And since the upgrade was on the other number, it needed a new 3G SIM card since I was taking the upgrade off that #. As I said, I think the SIM card and upgrade information is linked together.
 
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Just a heads up if you are planning to upgrade your phone using a family members' eligible upgrade: if you are upgrading to a 4G device from a 3G device, you need to bring in your family members' phone to the store, so they can give them a new SIM card. 4G devices use a different SIM card, so I couldn't use my 3G SIM card on my new phone.
Same thing happened to me at a corporate store when I upgraded from iPhone 3GS -> iPhone 4 last year and now from iPhone 3GS -> iPhone 4S. Rep told me they needed to activate the upgrade on the eligible line.
 
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