Certified Pre-Owned Unlocked Phones for AT&T

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Do Plug devices work on AT&T?

Yes. All phones sold by Plug are fully carrier-unlocked and compatible with AT&T's GSM network. This includes all Certified Pre-Owned iPhones (iPhone 6 and newer), Samsung Galaxy S-series and A-series phones, and Google Pixel devices. Simply insert your AT&T SIM card or activate an eSIM on supported models.

Does Plug sell phones locked to AT&T?

No. Every phone sold by Plug is fully carrier-unlocked. Plug does not sell AT&T-locked devices. All phones are compatible with any GSM carrier in the US, including AT&T, T-Mobile, Metro by T-Mobile, and Cricket Wireless.

How do I activate a Plug phone on AT&T?

Visit att.com/activate, enter your phone's IMEI number, and follow the steps to activate your SIM or eSIM. You can also activate in any AT&T retail store. For eSIM, go to Settings → Cellular → Add eSIM on iPhone, or use the AT&T app on Android. Most activations complete within minutes.