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How it works

       Provide your device ID

       Determine compatibility

       Complete your order

Provide Your Device ID

We’ve made it easy to find your device ID. Simply select your device and brand, choose your device from the results, and then click Continue.



If you don’t see your brand, follow the instructions for finding and entering your IMEI number.


Provide your device ID directly by entering your IMEI number.

IMEI number

To find your IMEI number, dial *#06# on your keypad. This will return your IMEI number.


* # 0 6 #

Why AT&T?

New lower rates with Mobile Share® Value Plan

Save up to $25/mo. per smartphone.1 Bring your tablet-$10/mo.2

  • Waived Activation for no annual service agreements
  • Nationwide service, connect virtually anywhere
  • Unlimited Talk and Messaging
  • Fast, 4G LTE speeds
  • Award-winning customer service


Quick facts

What is a SIM card?

A SIM (subscriber identification module) card is embedded with a specially programmed microchip that inserts into a compatible Global System for Mobile Communications (GSM) mobile device. The SIM card encrypts transmissions and identifies the user to the mobile network. Without a SIM card inserted into the mobile equipment, only emergency calls to 911 can be made.


What is the advantage of a SIM card-equipped GSM device?

SIM cards allow users to easily switch their account information between other compatible GSM devices for immediate use. The SIM card also acts as a removable storage card within the mobile device. SIM cards contain up to 128KB of available memory for storing contact names and phone numbers as well as text messages. This allows for users to easily update a new mobile device with their existing contacts.

How do I know what type of SIM card to use?

To find out if your device uses a SIM card, a micro-SIM card or a nano-SIM card, check your device. All versions of the iPhone® 5 use uses a nano-SIM card. iPhone 4/4S uses a micro-SIM. Most 4G LTE Android™ phones use a micro-SIM but not all, so be sure to check the make/model of the device and size of the SIM card (usually located under the battery).

How do I activate my device after receiving the SIM card from AT&T?

Your new SIM card will be sent to you by mail. Place the new SIM into your device. Activate your AT&T wireless device online by visiting the Activate Your Phone page on If you experience issues activating your device online, please call 866-391-0749.

If I bring my unlocked device to AT&T, do I need to change my data connection settings?

To use data services on AT&T's 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.

What is GSM?

GSM (Global System for Mobile communications) is the most broadly deployed standard for mobile devices in the world. GSM devices operate on international frequencies. These can include tri-band devices, which operate on three of the four GSM frequencies, and quad-band devices, which operate on all four of the GSM frequencies.

Is my GSM device compatible with the AT&T network?

Devices from many manufacturers (Apple®, HTC, Samsung, etc.) will work on our network. To find out here if your GSM device is compatible with the AT&T network, check your device.

Once I have my AT&T SIM card, can I use the SIM in any device?

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.

Can I use my own device or an unlocked GSM device to add a line?

Yes, you add a line by logging into your account and adding a SIM, plan, and services.

What plans are available for my device?

When you purchase a SIM card, you must also purchase a new rate plan and in some cases a data plan. A long-term service commitment is not required. All smartphones require data. If you do not add a data plan to a smartphone, AT&T will add it for you upon activation.

What are the benefits of the new Mobile Share Value plans?

No Annual Service Contract Options – now it is more affordable than ever for customers to sign up for a shared data plan.


  • No Annual Service Contract available on the following:
    • AT&T NextSM
    • Full retail price
    • Out-of-annual -contract customers
    • Customers who bring their own device (BYOD)
  • Unlimited Talk and Text, and unlimited messaging to the world for phones3 See messaging details.
  • Ability to share data with up to 10 devices.
  • Mobile hotspot is included for capable devices.
  • Smartphone customers who choose a No Annual Service Contract Option on plans with 6GB or less can save $15/month on the smartphone line when compared to the pricing for 2 year agreements.
  • Smartphone customers who choose a No Annual Service Contract Option on plans with 10GB or higher can save $25/month on the smartphone line when compared to the pricing for 2 year agreements.
  • No Annual Service Contract options do not include new 2 year agreements.
Do Mobile Share Value plans require a smartphone on my account?

No. Like current Mobile Share plans, Mobile Share Value plans do not require a smartphone on your account.

1 Up to $25 savings: Savings compares Mobile Share Value plan smartphone access charge for a smartphone w/ no annual service contract to a new smartphone activated on a 2-yr agrmt. Per smartphone access charge savings is $25 on plans 10 GB and larger and $15 for plans less than 10 GB. Plan & other charges and restr's apply. See for pricing req's.

2 Add a tablet for $10 to Mobile Share Value: Req's min. Mobile Share Value® Unlimited Talk & Text service w/300 MB data (plan charge $20/mo.) or Mobile Share Value® Data-Only w/4GB (plan charge $30/mo.), & $10/mo. access charge per tablet. Plans provide wireless svc only. Tablet installment or other device charges add'l. Devices: 10 devices/ plan. Limit 4 financed devices (2 tablets) per acct. Data: Overage charges apply if exceed monthly data allowance. Gen. Wireless Svc Terms: Subject to Wireless Customer Agmt or applicable Business Agmt. Fees & a deposit may apply. Credit approval req'd. Coverage & svcs not avail everywhere. Other restrictions apply & may result in svc termination. Other Monthly Charges/Line: May include taxes & federal/ state universal svc charges, Reg. Cost Recovery Charge (up to $1.25), gross receipts surcharge, Admin. Fee & other gov't assessments which are not gov't req'd charges. Pricing subject to change. Visit a store or for more info.

3Unlimited Talk Text: For phones only. Includes unlimited domestic calls & messaging. Unlimited International Messaging: Includes unlimited messaging from the U.S., Puerto Rico and the U.S. Virgin Islands to more than 190 countries for text messages and 120 countries for picture & video messages. Messaging capabilities vary by country. AT&T may change countries at its discretion. Visit for details. Messaging: Messaging applies only to AT&T’s Short Messaging Service (SMS) and Multimedia Messaging Service (MMS) and not to any other messaging services or applications. Messages are for direct communication between phones and must originate from your phone. Messages sent to tablets, laptops, or other connected devices are excluded. Messages sent through applications may incur data charges. Service may be terminated or restricted for tethered messaging or misuse.

Waived Activation: Requires activation of new line of service on a BYOD or device bought at full price (no annual contract). Qualified wireless service required. General Wireless Service Terms: Subject to Wireless Customer Agreement or applicable Business Agreement. A deposit may apply. Credit approval required. Coverage and services not available everywhere. Other charges and restrictions apply and may result in service termination. Terms subject to change and waiver may be discontinued at any time. 

Mobile Share Value Pricing: Prices include monthly plan charge and monthly access charge per device. AT&T NextSM installment charges extra. Devices sold separately. For plans 10GB or higher, customers with smartphones on 2-yr agreements prior to 2/2/14 are eligible for the $15/mo. access charge. For plans 2GB to 6GB, customers with smartphones on 2-yr agreements prior to 3/9/14 are eligible for the $25/mo. access charge. This discounted pricing is avail. as long as you keep your phone.  If upgrading to a new phone the discount is only avail. via AT&T NextSM or when you bring your own phone or buy a new phone at full price.  If you upgrade to a new 2-yr agmt the discount is lost.   Data: If you exceed the amount of data in your plan during your billing period, an additional 300MB, 500MB, or 1GB is automatically provided as specified in your rate plan. Data allowances, including overages, must be used in billing period provided or will be forfeited. Tethering and mobile hotspot use is allowed for up to 5 simultaneous devices. Device Limits: 10 per plan for consumers and IRUs. Limit 4 financed devices for consumers and IRUs or 10 financed devices for CRUs per wireless account may apply. For business/government customers, up to: 10 CRU devices per plan with 20GB or less; 25 CRU devices per 30GB, 40GB and 50GB plans; and 50 CRU devices per plan with 60GB or more.

Bring Your Own Device: Device must be compatible with the AT&T network and capable of using an AT&T SIM Card. If necessary, you should unlock your device so that it can use an AT&T SIM Card prior to porting your existing service. AT&T does not guarantee the performance of non-branded AT&T devices.

Gen. Wireless Svc Terms: Subject to Wireless Customer Agmt or applicable Business Agmt.  Activation/upgrade fee per line & deposit may apply.  Credit approval may be req’d. Coverage & svc not avail everywhere. Other restr’s apply & may result in svc termination.  Other Monthly Charges: Apply per line and may include taxes, federal/state universal service charges, a Regulatory Cost Recovery Charge (up to $1.25), a gross receipts surcharge, an Administrative Fee, and other government assessments which are not government-required charges, including without limitation a Property Tax Allotment surcharge of $0.20-$0.45 per CRU's assigned number. Monthly access charge per device may not be eligible for discounts. Pricing subject to change.

Visit a store or to learn more about wireless devices and services from AT&T. Screen images simulated. All marks contained herein are the property of their respective owners. ©2014 AT&T Intellectual Property. All rights reserved.

**Pricing subject to change. Requires a new 2-yr wireless agreement with data (min $14.99/mo.) or Mobile Share (min $30/mo.) plan. You will receive a $100 bill credit if you activate your own tablet. Bill credit will be applied w /in 2 bill cycles. Must remain customer for 90 days. If cancel svc within 90 days, credit will be reversed. Subject to Wireless Customer Agmt. Credit approval req'd. Activ/upgrade fee up to $40/line. Geographic, usage and other terms, conditions and restrictions apply, and may result in svc termination. Coverage and svcs not avail everywhere. Taxes and other charges apply. Data: If usage exceeds your monthly data allowance, you will automatically be charged overage for add'l data provided. Early Termination Fee ( After 14 days, ETF up to $150. Other Monthly Charges/Line: May include applicable taxes & federal & state universal svc charges, Regulatory Cost Recovery Charge (up to $1.25), gross receipts surcharge, Admin. Fee & other gov't assessments which are not taxes or gov't req'd charges. Visit a store or for more info.