How do I do my trade in with a phone from best buy

Either go to a corporate store, or request a mailer. 

https://tradein.att.com/start-trade/find/devices

Read carefully.  Follow directions.  Make sure your trade-in phone is fully charged and turned off, and reinforce the packaging as needed.  

Read the promotional requirements carefully.  Those are on the sales page for the phone you bought. 

We are here to provide you with all the information you need to know to trade in your device, @Mernala!

You can trade in your device with us online! 

The AT&T Trade-in program allows you to turn in your old wireless phones and other devices to receive credit from AT&T for the value of the device or as part of an AT&T device offer. With our quick online process, it's fast and easy!

Just click start now and search for the device you are trading in and follow the prompts. 

• Get an email with details on how to send in your old device.
• Your pre-paid shipping supplies will arrive within 10 business days.
• Send us your old device within 30 days of activating your new one.

Want to know the status of your trade in? You can track the status of your trade in using our tracker by entering your email address and your confirmation number. 

Let us know if this helps!

Clarissa, AT&T Community Specialist