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Upgrade & Activate Online
Upgrade & activate your devices online!

Are you ready to upgrade or activate your device?

It used to be a hassle to upgrade or activate your phone, but AT&T has made it easy as 1,2 3, with our AT&T Upgrade online process. Regardless of whether you are upgrading or activating an iPhone or Android phone, this page will point you in the right direction!

Whether you’re upgrading a device with AT&T Next or other AT&T Upgrade plan or activating a new one, we can we’ll walk you through unlocking your device, replacing your SIM card, using the AT&T Mobile Transfer app, and anything else you may need to get up and running!

NEW!: The brand new TechBuzz by AT&T blog can also help you prepare to upgrade your phone!

Latest questions about Upgrades & Activations

Samsung galaxy s8 plus g955u sim contact not showing

I am using samsung galaxy s8 plus (g955u)I am facing a problem which is as under:My phone doesn't shows sim contacts?? When I want...
by Nomijutt26 on May 13, 2018 7:00 AM
1 1 Reply 1468 Views


Pls help me how can I update my note 8 n950u .still this virsaon 7.1.1. I need oreo but there they said your current software is u...
by SyedMuhammad on May 9, 2018 9:55 PM
2 2 Replies 2371 Views

A new phone not purchase from ATT

I bought a Mi Mix2 new phone and try to use it with my pre-paid account. I update the IMEI ID sucessfully. But my new phone still ...
by Shelt0nlu on Apr 15, 2018 7:22 AM
6 6 Replies 3124 Views

How do I get my previous SIM card deactivated?

I called around 9 pm to reactivate previous SIM card for iPhone 5 and I was told to send a message 3 hours later in order to react...
by Lanorm on Mar 3, 2018 9:56 PM
0 0 Replies 1588 Views
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