Activate a device or SIM

A new phone or SIM

Have a new phone or tablet?
Find out how to activate it

Your own device

Want to bring your own unlocked phone or tablet to AT&T? Start here

Have an AT&T Certified Pre-Owned phone? Learn more

An insurance replacement

Is your new device from a warranty or insurance claim? Find out how to set it up

Transfer your info

iPhones & iPads

Move contacts, pics, messages, and more to your new Apple® device.

Transfer content to your iPhone or iPad


Transfer your contacts, pics, and more on Android® devices.

Back up or restore data

Set up your voicemail

Be sure to do this within 60 days of activating your phone:
  1. Press and hold 1 or the Voicemail key on your phone.
  2. Select your language.
  3. Create a 4- to 15-digit voicemail password.
  4. Select your preferred greeting.
  5. Listen to the brief voicemail tutorial.
You’re good to go!

Want more tips?
Access voicemail
Set up Visual Voicemail
Get more voicemail setup help