Ok this is pretty simple.
Family plan, so one of the phones is lost.
Deactivated. (Phone A)
Then I upgrade another phone that has an upgrade(Phone B). The new phone comes with a sim card.
I put the new unactivated sim card into the old phone(Phone C) so I can set this as a new phone A. (The new sim card goes into the old phone so I can set this as Phone A)
How do I do this? Do I have to go to a store or something?
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