Contributor
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1 Message
To update a new SIM card
I need to update a new sim onto my account so do I just put it in my new phone and call the 800 number?
Contributor
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1 Message
kdfederer
ACE - Expert
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13.1K Messages
8 years ago
You can either call the toll free number or activate online.
http://www.att.com/esupport/article.html#!/wireless/KM1008711?source=redirect
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