2nd October 2019

tomsguide
13

How do you activate a AT&T SIM card?

Switch on the cell phone by pressing the power button. If you're transferring your number to AT&T, call 866.895.1099 to accept the Terms & Conditions and activate your new SIM card. If you're not transferring your phone number to AT&T, to activate your new SIM card, call 800.331.0500.

How do I activate my new ATT phone?

New device or SIM card activation
  1. Go to att.com/activations.
  2. Select Activate your device.
  3. Enter the required info.
  4. Select Continue.
  5. Follow the prompts to complete your activation.
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