Check your device compatibility
Bring your own device to AT&T. Order a SIM card and transfer a device to AT&T or add it to your existing account. Be sure your device is unlocked if you are transferring from another carrier.
To see if your device works on the AT&T network, enter your device and brand, or the IMEI number below.
For help finding your device’s IMEI, simply select your device and brand, choose your device from the results, and then click Continue.
Can’t find it? Dial *#06# and enter your 15 digit IMEI number in the box on the right.
If you know your device IMEI, enter it here:
* # 0 6 #
Introducing the new AT&T Unlimited Data Plans
Yes, you can activate Google Pixel phones on the AT&T Network. Be sure Pixel is unlocked if you are transferring from another carrier. The SIM is free, just pick a plan that works for you. Find out more: https://www.att.com/plans/google-pixel.html
After December 31, 2016, the minimum requirement needed to operate on AT&T’s network is 3G; WCDMA (UMTS) HSPA 850/1900 Mhz Band 2 and Band 5.
If your phone meets the network requirements but isn’t connecting to the AT&T network, contact the device manufacturer.
To use data services on the AT&T network with a device from another carrier or purchased directly from the manufacturer, you may need to program the data settings. If you are using an AT&T branded device, it should already be programmed with the correct settings. For a step-by-step guide to changing your data connection settings, please visit our Programming non-AT&T devices article.
Once you have an AT&T SIM and have activated the AT&T SIM card, you can put it in any compatible, unlocked GSM device you choose.
Yes, you add a line by logging in to your account and adding a SIM, plan, and services.
Your new SIM card will be sent to you by mail and arrives ready to use. All you have to do is insert it in your phone or tablet, and you're ready to go.
To find out if your device uses a SIM card, a micro-SIM card, or a nano-SIM card, enter your device and brand, or the IMEI number, above. All versions of the iPhone® 5 use a nano-SIM card. iPhone 4/4S uses a micro-SIM. Most 4G LTE Android® phones use a micro-SIM.
A SIM card is a microchip that inserts into a compatible mobile device. It identifies you and connects you to the mobile network.