Activate your new cell phone, tablet, and smartwatch on the AT&T wireless network here.

Learn what it means to activate a new device, how to transfer AT&T service to a new phone, options to activate your phone yourself and more.

Aug 19, 2025 · Ready, set, go! Activate your device, set it up on our network, and transfer your contacts and info. Get the most out of your device. Explore voicemail, messaging, and apps to help you and …

Get help activating a new phone, tablet, smartwatch, wireless internet and SIM cards on the AT&T wireless network or AT&T PREPAID.

Check out our quick start guide to learn how to activate a new AT&T smartphone. This guide applies to customers who ordered via our call center.

Aug 17, 2025 · Whether you picked up an AT&T-branded device, brought your own unlocked phone, or switched from another carrier, this guide walks you through activation in plain language.

Jun 8, 2025 · If you purchase a new phone from AT&T, the SIM card will be included and already activated, so you don't have to worry about this process! This wikiHow teaches you how to activate a …

Sep 13, 2020 · Once you get your new SIM card, insert it into your new device and activate the SIM card for use on the AT&T network. Hopefully these tips will help you activate your new device without the …

Ready to set up your new phone on AT&T? In this video, we'll provide you with step-by-step instructions to activate your device and get you connected in no time!

To activate your device online, visit the Online Activation Portal. You'll need the wireless number you want to activate and the billing or shipping ZIP Code for the order.