Learn how to<a href="https://www.att.com/support/article/wireless/KM1009304/"> transfer your existing phone number</a> from another carrier to AT&amp;T.

Get flexible plan options when you activate your <a href="https://www.att.com/support/how-to/prepaid/esim-get-started/">eSIM with AT&amp;T Prepaid&reg;</a>.

Learn about eSIMs, and how they work with AT&amp;T.

AT&T

While setting up your iPhone&reg; over Wi-Fi&reg;, your eSIM might download automatically or you might be prompted to install an AT&amp;T cellular plan. If you have wireless service bars or you can make a call, you&#39;re all set.

Still don&rsquo;t have service? Try this:

<ol>
	<li>Connect to Wi-fi.</li>
	<li>Swipe down from the top of your screen to open your notifications.</li>
	<li>Choose the AT&amp;T Cellular Plan Ready to be Installed notification</li>
	<li>Select Continue.</li>
</ol>

Don&#39;t see a notification? You might have to&nbsp;<a href="https://www.att.com/activations/activatewireless">activate your iPhone</a>&nbsp;first.

Just turn on your phone and follow the setup prompts. If you have wireless service bars or you can make a call, you&#39;re all set.&nbsp;

Don&#39;t have service? Look for a notification to add your eSIM or go to your phone Settings.&nbsp;Tap Connections, then SIM manager and Add eSIM.&nbsp;

Having trouble? Get more details for <a href="https://www.samsung.com/my/support/mobile-devices/using-your-galaxy-smartphones-with-esim/">Samsung eSIMs</a>.

Make sure you have an eSIM activation card with a QR code from AT&amp;T. Then, follow these steps on your phone:

<ol>
	<li>Connect to Wi-Fi</li>
	<li>Open Settings.</li>
	<li>Choose Network &amp; Internet.</li>
	<li>Select the plus sign (+) next to SIMs.</li>
	<li>Select Download a SIM instead.</li>
	<li>Follow the prompts to scan the QR code on your eSIM activation card from AT&amp;T.</li>
</ol>

If your phone still doesn&#39;t have wireless service, <a href="https://www.att.com/checkmyorder/activations/activateWireless.rt">activate your device.</a>

Make sure you have an eSIM activation card with a QR code from AT&amp;T. Then, follow these steps on your phone:

<ol>
	<li>Connect to Wi-Fi</li>
	<li>Open Settings and look for Network, Connections, Mobile, or similar.</li>
	<li>Find the option to download a SIM or eSIM.</li>
	<li>Follow the prompts to scan the QR code on your eSIM activation card from AT&amp;T.</li>
</ol>

Want more help? To get device specific instructions, go to <a href="https://www.att.com/device-support/selector/">device help</a>, choose your phone model, and search for eSIM.

If your phone still doesn&#39;t have wireless service, <a href="https://www.att.com/checkmyorder/activations/activateWireless.rt">activate your device.</a>

In just a few simple steps, you can activate the eSIM for your:

<ul>
	<li><a href="https://www.att.com/support/how-to/wireless/accessory-get-started/">Smartwatch</a></li>
	<li><a href="https://www.att.com/support/how-to/wireless/tablet-get-started">Tablet or laptop</a></li>
</ul>

Get to know eSIM

How to activate your eSIM device

New iPhone or iPad

New Android device or older iPhone