How To Activate a New Phone ATT

How To Activate a New Phone ATT

What is Phone ATT?

AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. 

How To Activate a New Phone ATT

  1. Insert the SIM card – You can also find this information in your user manual.
  2. Go to
  3. Select Activate your device for AT&T wireless device.
  4. Enter the required information.
  5. Select Continue.
  6. Follow the prompts to complete your activation.

Frequently Asked Questions

How do I switch my ATT service to a new phone?

AT&T Wireless SM

  1. Connect both devices to Wi-Fi®.
  2. Go to Bring your own device.
  3. Choose Switch the device used on my line.
  4. Select Continue. Sign in, if asked.
  5. Follow the prompts to complete your transfer.

How do I change my device on my ATT account?

Alternatively, you can go to Phone System > Phones & Devices > User Phones. Click the More icon at the far right of the device you want to replace. NOTE: The phone needs to be plugged in to see it on the list. Select Change Phone from the dropdown.

Can I switch phones on ATT?

Before you can switch phones, you need to ensure that your new phone is compatible with the AT&T network. This is usually straightforward if you have an iPhone or a Samsung device. However, if you have a less common brand like Huawei or Xiaomi, you might encounter some compatibility issues.

Is ATT a phone carrier?

AT&T offers several wireless plans that may fit your needs. Learn more about AT&T’s unlimited data plans.

Is ATT part of T-Mobile?

On March 20, 2011, AT&T and T-Mobile announced that they had entered into a definitive agreement to merge. AT&T would acquire T-Mobile in a cash and stock transaction valued at $39 billion.

Does ATT have a SIM?

Visit any AT&T store to get an AT&T Prepaid eSIM activation card. New to AT&T Prepaid? Order a new eSIM online: Go to AT&T Prepaid BYOD, then select Get an eSIM activation card instead (a physical SIM card is selected by default).

Are phones from ATT unlocked?

Every device you purchase from AT&T is locked.

If you purchase an AT&T model from a manufacturer, it is locked. If you purchase an iPad and activate it with Apple’s SIM card, the iPad physical sim cannot be locked and the ESIM is unlocked and available to use with any service provider.

How do I get an ATT SIM card?

You can get SIM card kits at one of our stores, online through, or from another online retailer. The kits come with three SIM card sizes. You can use it if you want to bring your own device to AT&T, or if you just need a new physical SIM.

What is an ATT SIM?

Enjoy a super fast reliable connection using the AT&T SIM Card. With this card, you’ll be able to connect your 3G or 4G LTE devices to the Internet fast and easy. You can activate your phone and join the AT&T network and browse all the content you desire at super fast speeds.

How do I find my ATT SIM number?

On the front of the SIM card you’ll see a 19- or 20-digit number.