How to Link NIN to Smile in 3 Easy Ways

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Are you a Smile subscriber in Nigeria? To continue enjoying their 4G LTE broadband service, it is mandatory to link your National Identification Number (NIN) to your Smile account, number or SIM card. This requirement comes from the Nigerian Communications Commission (NCC) for all telecom subscribers in the country. 

In this blog post, You’ll be guided through the easy steps on how to link NIN to Smile account, number, or SIM card. You will also understand the importance of linking your NIN and the consequences of not doing so. By the end of this article, you’ll be able to quickly link your NIN to Smile and keep enjoying their fast and reliable internet service. Let’s get started!

How to Link NIN to Smile in 3 Easy Ways

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How to Link NIN to Smile Using USSD Code

To link your NIN to Smile using USSD code, follow these steps:

  1. Dial *4504# on your phone.
  2. Choose the option to “Link NIN”.
  3. Enter your NIN and Smile number in the space provided.
  4. Enter the OTP sent to your smile number
  5. Press Enter.
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Your NIN will be successfully linked to your Smile SIM.

How to Link NIN to Smile Online via The MySmile Portal

To link your NIN to Smile online via the MySmile Portal, follow these steps:

  1. Visit the Smile NIN Portal.
  2. Log in to your account.
  3. Navigate to the “Profile” tab.
  4. Fill in the NIN field along with other required details.
  5. Click on the “Link NIN” or “Submit” button.

Once you complete these steps, your NIN will be successfully linked to your Smile SIM.

How to Link NIN to Smile Through MySmile App

To link your NIN to your Smile SIM using the MySmile App, follow these easy steps:

  1. Start by downloading the free MySmile App on your Android or iOS mobile phone.
  2. Log in to your account using your Smile username/number and password.
  3. Next, click on the “Profile” tab.
  4. You should now see the “Link NIN” button – click on it.
  5. When prompted, enter your NIN.
  6. Lastly, click on the “Submit” button.

By completing these steps, your NIN will be successfully linked to your Smile SIM.

Frequently Asked Questions:

How Do I Register My Smile Number?

You can register your Smile number by visiting any Smile outlet close to you.

What Is the Difference Between NIN and SIM Registration?

NIN and SIM registration are two different processes. NIN is a national identification number that is mandatory for all Nigerians and legal residents, while SIM registration involves registering a SIM card with a mobile network operator. Sim registration is only necessary for those who plan to use mobile phone services e.g. Smile network.

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What Are the Penalties for Not Linking NIN to Smile?

Your SIM card will be blocked and you won’t have access to Smile services.

How Long Does It Take to Link NIN to Smile?

Linking your NIN to your Smile SIM usually takes a few minutes. However, it may take longer if there are network issues or if you have issues with your NIN.

Can I Link Multiple NIN to a Smile SIM?

No, you cannot link multiple NINs to a Smile SIM card. Every SIM card can only be linked to one NIN.

What Happens if I Lose My NIN?

If you lose your NIN, you will need to visit retrieve your NIN from an NIMC office close to you. Onnce you have your new NIN, you can then link it to your Smile SIM.

How Do I Update My NIN on Smile?

If your NIN changes, you will need to update it on your Smile Self-care Portal. You can do so by visiting the Smile Self-care Portal here.

What Are the Benefits of Linking Nin to Smile?

The obvious benefit is that your Smile SIM card won’t be blocked and you get to enjoy all Smile’s 4G LTE services including free on-net calls when you recharge Smile Voice.


In this blog post, you’ve learnt how to link NIN to Smile and how important it is to do it. You will continue to use Smile’s 4G LTE broadband service without interruptions by linking your NIN to Smile. 

To link your NIN to Smile, follow the steps outlined in this post. It’s a quick and easy process which takes only minutes. Don’t wait any longer, link your NIN to Smile today and enjoy the best internet service in Nigeria.