How To Activate Glo Sim (Activation Code)


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Want to know how to activate Glo sim? In this quick guide, I’ll share with you how to get your GLO sim activated if it is a new sim, or you intend to reactivate an already deactivated sim.

Your Glo SIM card is the gateway to a world of seamless communication, access to information, and endless possibilities. Whether you’re a seasoned tech enthusiast or a newbie to the mobile world, the importance of activating your Glo SIM card cannot be overstated.

In this comprehensive guide, we’re here to simplify the process for you. There is no complicated jargon and no lengthy procedures—just straightforward steps to ensure your Glo SIM is up and running in no time.

Our mission is simple: to empower you with the knowledge to effortlessly activate your SIM card and dive into the world of connectivity.

So, whether you’ve just purchased a new Glo SIM or you’re swapping your old one for a fresh start, this article is your go-to resource for all things activation. With your Glo sim, you can even check your BVN.

how to activate glo sim

We’ll embark on this journey together as we demystify the process and equip you with the tools to stay connected. Get ready for a hassle-free experience as we walk you through the essential steps. Let’s get started on this enlightening and user-friendly journey towards activating your Glo SIM card!

What is SIM Activation?

SIM card activation enables a Subscriber Identity Module (SIM) card to work with a mobile device and connect to a cellular network. It is initially inactive when you purchase a new SIM card, whether for a phone, tablet, or other mobile device.

Activation is required to link the SIM card to your mobile phone number and grant it access to the carrier’s network.

The key steps in SIM card activation typically involve:

  1. Inserting the SIM card: You physically insert the SIM card into your device’s SIM card slot. It contains essential information such as your phone number and carrier details.
  2. Powering on your device: Once the SIM card is inserted, you power on your mobile device. The device communicates with the carrier’s network to establish a connection.
  3. Providing personal information: During activation, you may need to provide personal information to the carrier, such as your name, address, and identification details. This information is used to associate the SIM card with your account.
  4. Verifying the SIM card: The carrier’s system verifies the SIM card’s authenticity and checks if it matches the details provided during activation.
  5. Assigning a phone number: If you’re getting a new phone number, the carrier assigns one to your SIM card. If you’re transferring an existing number, the carrier will facilitate the porting process, allowing you to keep your current number.
  6. Network access: Once the activation process is complete and the SIM card is authenticated, your device can access the carrier’s network. This enables you to make calls, send text messages, and use mobile data services.

SIM card activation is the critical step that allows your mobile device to connect to a cellular network, enabling you to use voice, text, and data services.

It involves inserting the SIM card, providing personal information, and verifying the card’s authenticity, ultimately enabling communication between your device and the carrier’s network.

Related: How to Check BVN On GLO SIM

How to Activate GLO SIM (Glo Activation Code)

125 is the code for activating your glo line. Note that the code is only for new glo customers activating their line for the first time. Before dialing this code, your sim card must have completed the important registration steps.

Requirements for Glo Sim Activation

  • Valid Identification: You will need a valid form of identification, typically a government-issued ID like a national identity card, driver’s license, or passport. But it is preferred to use your national identity card (NIN)
  • Glo SIM Card: Of course, you need the Glo SIM card that you want to activate.
  • SIM Pack: The SIM or starter pack with your Glo SIM card. It contains important information such as your phone number and PUK (Personal Unblocking Key) code.
  • Phone: A compatible mobile phone to insert the Glo SIM card into.
  • Funding: Ensure you have enough funds in your account or a recharge card to activate the SIM and make your first call.

Also Read: How to Do Call Forwarding on MTN

Is There Any Difference Between Activating A new Glo Sim and Activating A deactivated Glo Line

There is a difference between activating a new Glo SIM card and activating a deactivated Glo line. Here’s an explanation of both processes:

  1. Activating a New Glo SIM Card:
  • When you purchase a new Glo SIM card, it typically comes in a sealed package.
  • You need to insert the SIM card into your phone to activate it.
  • After inserting the SIM card, you must dial a specific activation code provided by  Glo. This code is often found in the SIM pack or can be obtained from Glo customer support.
  • Your new SIM card will be activated once you enter the activation code and follow the prompts. This process verifies your identity and assigns a new phone number to the SIM card.
  • You may need to recharge the new SIM card with airtime or data for calls, texts, and data services.
  1. Activating a Deactivated Glo Line:
  • A deactivated Glo line is a SIM card previously in use but deactivated due to inactivity or other reasons.
  • To reactivate a deactivated Glo line, visit a Glo service center or contact Glo customer support.
  • You must provide some personal information and details about the deactivated SIM card.
  • Glo customer support will guide you through the reactivation process, which may involve verifying your identity and possibly paying a reactivation fee, if applicable.
  • Once the process is complete, your deactivated Glo line will be reactivated, and you can use it again with your existing phone number.

The main difference lies in the status of the SIM card. Activating a new Glo SIM card involves setting up a completely new SIM with a new phone number while activating a deactivated Glo line means reactivating a SIM card that was previously used and retaining the same phone number associated with it.

The specific steps and requirements for both processes may vary, so it’s advisable to contact Glo customer support or visit a Glo service center for assistance based on your situation.

Related: Full List of MTN Data Plans and Prices

How To Activate Your New Glo SIM

To activate your new glo line, you need to follow these few steps:

  1. Visit a glo support center with your new sim card and the requirements stated above for registration.
  2. After registration, insert the sim card into your mobile device.
  3. Dial the verification code 125
  4. Recharge your new glo sim with at least N100 and make your first call.

At this point, your new glo sim has been fully activated and ready for use.

Related: How to Share Data On Glo With Code or SMS

how to activate new glo sim and reactivate deactivated sim

How To Activate A Deactivated Glo SIM Card

To activate your Glo sim card, which has been deactivated for any reason, you need to visit any Glo office nearest to you with the sim card and all these listed requirements below:

  • Your NIN 
  • 5 phone numbers stored in your sim that you call frequently
  • The sim pack. This will serve as proof of ownership of the sim


  1. Q: How do I activate my new Glo SIM card?

   A: To activate your Glo SIM card, simply insert it into your phone, dial 125, followed by the 13-digit number on the SIM pack, and follow the instructions provided.

  1. Q: Can I activate my Glo SIM online?

   A: You can activate your Glo SIM online by visiting the Glo website, clicking on “Self Care,” and following the SIM activation process.

  1. Q: What documents do I need for SIM activation?

   A: You will need a valid means of identification, such as a national ID card, driver’s license, or international passport, for SIM activation.

  1. Q: How long does activating a Glo SIM card take?

   A: Typically, your Glo SIM card should be activated within a few hours of registration, but it may take up to 24 hours in some cases.

  1. Q: What do I do if my Glo SIM card is not activated?

   A: If your Glo SIM card is not activating, ensure you have followed the activation process properly. If the issue persists, contact Glo customer care for assistance.

Related: Code to Check Glo Airtime Balance

How to Activate Glo Sim (Conclusion)

In conclusion, activating your Glo SIM card is a straightforward process that allows you to tap into a world of connectivity and communication.

We’ve walked you through the essential steps to get your Glo SIM up and running, from acquiring the SIM card to completing the registration process. Remember, Glo is committed to providing reliable and cost-effective telecommunications services, making it a popular choice among users.

As you embark on your journey with your newly activated Glo SIM, remember the importance of providing accurate and up-to-date information during registration. This ensures that your SIM card remains active and contributes to national security and regulation compliance.

Glo’s network coverage and diverse services make it a strong contender in the telecommunications industry. So, whether you’re using it for calls, texts, data, or any of their value-added services, activating your Glo SIM card is the first step toward a seamless mobile experience.

We hope this guide has helped demystify the activation process for you. Remember that your Glo SIM is your gateway to the digital world, and by following these steps, you can enjoy all its benefits. Stay connected, and may your Glo SIM bring convenience and connectivity to your life.

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