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Thu, Nov 26, 2020 6:14 AM
I activated the sim on my new iPhone 12. Showing no service on old phone but not service on new one. How long will this take?
2 months ago
Thank you for reaching out. We'd love to take a closer look into this for you.
In activating your device, did you follow the steps as stated on the website? If that was the case, then you need to contact customer service on 611 (from your AT&T phone) or 800-331-0500 from any phone for assistance in activating your SIM card.
Let us know how it turns out.
Doyin, AT&T Community Specialist.
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