Sim Not Provisioned Mm#2 Error On AT&T

By Max Anthony •  Updated: 08/17/22 •  6 min read

Sim Not Provisioned Mm#2 Error On AT&T

What is AT&T?

To start with, AT&T is a large telecommunications company that provides services to customers all over the United States. AT&T was formed in 1983 by Alexander Graham Bell and Gardiner Greene Hubbard, and its headquarters are located in downtown Dallas, Texas.

AT&T is currently the largest telephone company in the United States, followed by Verizon Communications.

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AT&T has provided telephone service to customers for over one hundred years. It also provides long-distance service and wireless voice and data services as well as high-speed Internet access through DSL, cable modem, satellite dish, or terrestrial wireless technology.

AT&T also provides a wide range of telecommunications products and services to government agencies, business customers, carriers, and individuals.

What is Sim Not Provisioned?

Sim Not Provisioned is an error message that appears on your phone when you try to make a call or send a text message but there are no SIM cards installed on your phone.

This can happen if you have recently replaced your old SIM card with a new one but then failed to install it properly on your phone or if you have tried installing it several times but still can’t get it to work correctly.

It’s also possible that you have a problem with your SIM card. If you don’t have a SIM card, you will get a message saying “SIM Not Provisioned” and if you do have a SIM card installed, it will say “Sim Not Provisioned Mm#2”.

When your phone has this error message on it, it means that the phone has detected that there is no SIM card installed on the phone and therefore, cannot connect to the network.

You will see this message when trying to make or receive calls or send text messages. The message usually appears on the screen of your phone within 2 minutes of attempting to make or receive calls or send text messages.

How to Fix SIM Not Provisioned Error Message on AT&T?

AT&T provides several different ways to fix this error message. Here are the instructions for each method:

Method 1: Install a SIM card properly

Make sure that you have a SIM card installed on your phone. If you don’t have one, go to AT&T’s website and order one at You can also go to any AT&T store and get one from the AT&T agent there.

The process is simple; just follow the directions on the screen. If you are unsure how to do this, contact your local AT&T store for assistance.

Sim Not Provisioned Mm#2 Error On AT&T

Method 2: Update your phone software

You can also try updating your phone software to see if that will fix the problem. If you have an iPhone, iPhone 3G, or iPhone 3GS, you can update your phone by going to Settings > General > Software Update. You can also update your phone by going to the App Store and downloading a new version of the AT&T software from there.

This is also done through Settings > General > Software Update on an iPhone.

Method 3: Reset your phone back to factory settings

You can also try resetting your phone back to factory settings to clear out any problems that may be causing this error message. This will erase all of the data on your phone and delete all of the apps on it so you will have to re-install them again after this process is complete.

To do this, go into Settings > General > Reset and select “Reset Phone” then follow the instructions on the screen as they appear on it until you are asked if you want to reset or erase all data from your phone.

Method 4: Use AT&T’s Website to troubleshoot the problem

You can also try visiting AT&T’s website at or to see if you can get a better idea of what is causing the problem and how to fix it. You will need to provide your phone number and the message that appears on your phone so they can look into it for you.

This method should be your last resort as you may need to order a new SIM card from AT&T to fix this problem or if there is a problem with your SIM card itself, but it should be able to help you find out what is causing the problem so that you can then fix it.

What Other Alternatives Can I Use Beside AT&T?

You can also try using a service like Mobal to buy a SIM card for your phone. You can get a SIM card for your phone and use it to make calls and send text messages in the United States. You can also use this SIM card to call and text while you are traveling in other countries.

You can also use a prepaid service like Verizon, CenturyLink, or American Tower to get a phone number that is compatible with your existing AT&T account.

You will still be able to make calls and send text messages with these services just as you would with AT&T, but you will have to pay them directly each month instead of having AT&T charge you for these services through your bill.

These providers may also offer international calling services, data plans, and other products and services that you can use to make calls or send text messages when you are traveling in other countries.

What are the Advantages of an AT&T SIM Card?

AT&T is a great carrier that provides you with the best service in the market. There are several advantages of using an AT&T SIM card, including but not limited to:

AT&T prepaid service plans are perfect for customers who want to save money by paying for their wireless services in advance and have the freedom to use their device on any network they choose.

You can pay month-to-month, with no long-term commitment, no surprise fees, and cancel at any time without penalty. Plus, there are no annual contracts and no additional costs like overage charges.

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Max Anthony

Mainly Max Anthony is an athletics tutor & lives in Texas but that's not it. He's is also a music producer, content creator, record producer, writer, and session musician. He has been producing music and engineering at a lower level for over 5 years. His passions include quality music gear and that's what he loves to write about on HifiBeast. ( Shoot him an email now )

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