How To Activate a Firstnet SIM Card

How To Activate a Firstnet SIM Card

What is SIM Card?

A SIM card is an integrated circuit intended to securely store an international mobile subscriber identity number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices.

How To Activate a Firstnet SIM Card

Your FirstNet SIM card is pre-activated when you order a new line of service. If you port over your phone number to a new line of service or upgrade your device, you need to manually activate your FirstNet SIM card. For help with activation, you can call FirstNet Customer Support at 800.574. 7000.

Frequently Asked Questions

What is the number for FirstNet activation?

Activate your device

If you have any questions that are not addressed in the documents, or need additional help, please contact your FirstNet Specialist or call FirstNet Support: 800.574. 7000.

Do I need a new SIM card for FirstNet?

Migrate to a FirstNet SIM card from an AT&T SIM card

To connect to the FirstNet network, you need a FirstNet SIM card. If you’re a FirstNet subscriber, you can get a FirstNet SIM card in any of these ways: Go to your local AT&T store or an AT&T authorized retailer and pick one up.

How do I activate my AT&T eSIM?

If you just received your eSIM device, activating it is really easy.

  1. Make sure your device is connected to Wi-Fi or cellular service.
  2. Go to Settings, then select ‘AT&T plan ready to be installed’.
  3. Select Continue.
  4. Your eSIM will now download and install.

How does AT&T FirstNet work?

FirstNet provides public safety with a dedicated lane of connectivity when they need it. To help ensure first responders have as much coverage and capacity as possible, FirstNet subscribers have access to all AT&T LTE commercial spectrum bands, as well as Band 14 spectrum.

How do I get approved for FirstNet?

Save time online, visit to complete an online application and the eligibility verification process.

  1. Click on “Apply & Show Now” as an individual first responder.
  2. Select the option “NOT in a retail store”
  3. Complete the form and if necessary, submit your document(s)

Can I use any phone with FirstNet?

No. FirstNet Ready devices are required for FirstNet customers. Only AT&T certified devices that are FirstNet Ready are allowed.

What carrier does FirstNet use?


FirstNet®, Built with AT&T is the only network built with and for first responders and those who support them. It’s designed to fit your unique and evolving communications needs with transformative mission critical solutions to modernize public safety.

How much did ATT pay for FirstNet?

Known as FirstNet, the contract is a 25-year agreement to build a national broadband network. The value of the first five years is $6.5 billion to build out the network. While that is the value AT&T used in its announcement, put a $100 billion price tag on the contract over its 25-year life.

Can I use an ATT phone on FirstNet?

You can mix FirstNet & AT&T services—up to 20 lines per account. You can be on the same account as other first responders in your household.

Is there an app for ATT FirstNet?

FirstNet Assist provides all primary and extended primary first responders with support tools at their fingertips. This app provides access to Customer Care using multiple methods, as well as providing real-time self-diagnostics based on your device brand and model.