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Bring your own device to AT&T

Get a new SIM card for your phone or tablet. Or get started activating a watch.

AT&T Universal SIM Card - White

What type of device do you have?

New activation and qualifying plan required.
I’m ready to activate my SIM or eSIM
If you already have a brand-new SIM card or your device doesn’t use a physical SIM card, start your activation.