How To Activate Att Prepaid Phone. Locate your IMEI by dialing 06. The steps are quite easy to follow.

Cellular then Add Cellular Plan. Go to your device settings. Start with your new device powered off.
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This guide covers the two parts of getting your ATT prepaid SIM activated and working. Cellular then Add Cellular Plan. How do I activate my ATT prepaid phone. Go to your device settings.
