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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 messages about Upgrades & Activations

Prepaid upgrade

I have prepaid service had same one for years can u upgrade prepaid and save money or is it just postpaid
by Taralynn1980 on Nov 3, 2018 8:36 PM
2 2 Replies 265 Views

Sim card activation on a previous phone

A Samsung G570M was bought through an AT&T agent, then the screen broke so another phone was ordered, it came with a SIM card that...
by dronit on Oct 17, 2018 2:55 PM
3 3 Replies 569 Views

AT&T unlimited plan plus one line

Hello! What does it mean: Unlimited Plus One Line+ shared plan charges1 devices- 000-000-0000 the name of the owner of plan
by Caruza00 on Aug 28, 2018 2:29 PM
0 0 Replies 621 Views

Galaxy note 9 upgrade

I just ordered one Samsung Note 9 ,and now my son wants me to get the note 9 Buy one get one free.I ordered only one phone , but I...
by Juanito2 on Aug 26, 2018 1:38 PM
1 1 Reply 1356 Views

Samsung s7 out of stock?

I'm due for an upgrade and have settled on the s7. It shows up in a general search, but when I tried to order it said the phone wa...
by jolly1 on Jul 30, 2018 5:34 PM
1 1 Reply 790 Views

Galaxy s7 IMEI is showing as "non AT&T" device

Tried to request an unlock code for my Galaxy S7. Have received notices from AT&T in MyATT account that my phone is eligible to un...
by Baseballdad123 on Jun 27, 2018 4:31 AM
1 1 Reply 918 Views


Tried to upgrade my number since my original phone is now paid off and when I add a new phone to my cart, it wants me to pay the e...
by maskedrider1009 on Jun 19, 2018 6:17 PM
0 0 Replies 952 Views
by rafaelgoldbaum on Jun 10, 2018 7:47 PM
1 1 Reply 1102 Views

How to deactivate or remove a line

I see all the information on how to add or activate a line but nothing about how to remove or deactivate a line. Does AT&T not thi...
by fsutish on Jun 8, 2018 8:26 PM
1 1 Reply 1419 Views


Tengo un s7 edge modelo sm-g935a at&t y no me llega la actualización de android oreo, no se si me la mande samsung o at&t y no se ...
by Fuentes-mk on May 19, 2018 12:44 AM
0 0 Replies 988 Views

can't activate new phone and can't call AT&T

I called ATT to activate my new iphone 8+ they deactivated my old phone but failed to activate my new phone now I can't even call ...
by edowney123 on May 15, 2018 4:33 PM
1 1 Reply 1352 Views

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 1114 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 1879 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 2607 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 1399 Views
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