Deals
iPhone deals
Samsung Galaxy deals
Black Friday deals
Business employee
55+
Military
Active first responders
Retired responders
Nurses & physicians
Teachers
Union
Credit card
&More Benefits
Explore wireless
Phone plans
New phones & devices
Upgrade
Bring your own phone
Add a Line
Switch and save
Trade in your device
International phone plans
Shop new iPhones
Shop Certified Pre-Owned
iPhone 17
Samsung Galaxy S25
Why AT&T Wireless
Wireless help
More resources
Explore home internet
Internet plans
Fiber internet
Home Wi-Fi
Check availability
AT&T Internet Air
Moving services
Bundles
Gaming
Home business
Internet help
Speed test
More resources
Access from AT&T
Explore AT&T PREPAID
Prepaid plans
Prepaid phones
Bring your own phone
Prepaid deals
Prepaid account
Activate your service
Lease-to-Own
Home Phone Services
AT&T Phone
AT&T Phone – Advanced
Landline Phone
Lifeline
Phones & accessories
Digital phone help
Landline phone help
Bundles
Internet + Wireless
Internet + Phone
Home office
Smart watches & devices
Smart home
In-car Wi-Fi
All accessories
Headphones
Phone & tablet cases
Chargers
Screen protectors
Speakers & smart home
Internet & TV equipment
PopSockets & more
Gadgets & gaming
Accessory deals

Certified Pre-Owned Phones: Quality Used Cell Phones | AT&T

AT&T Certified Pre-OwnedTM

The smarter way to upgrade

Enjoy big savings and trusted performance with certified pre-owned smartphones.

Shop AT&T Certified Pre-Owned smartphones

Our inventory of pre-owned smartphones is updated regularly, so make sure to check back often, especially if you have a particular device in mind.​

Shop with confidence

Various tests ensure your pre-owned device is in good working condition, right out of the box.

Cosmetic condition

The device may have light scratches to none on its exterior.

Battery testing

A battery test verifies the battery is functional and holds a charge.

Function and software

A multi-point inspection ensures device functions perform as expected, and the latest operating system is installed.

Signal performance

A multi-point test verifies the device radio frequency (RF) performance meets industry standards.

Frequently asked questions