Unlock Your Sim Using Airtel PUK Code (Step by Step Guide!)

Unlock Sim using Airtel PUK code
Unlock Sim using Airtel PUK code

What is the Airtel PUK Code?

Mobile phones are an important part of our lives now; they help us stay connected with the world, informed about all the major events, and even help us stay entertained. However, sometimes unexpected issues might arise, such as a blocked SIM card. The mobile service provider provides each person with a unique code to protect SIM cards from unauthorized access. This code, PUK, which stands for ‘Personal Unlocking Key’, is essential in cases where you have to lock your SIM for a time period and then need to unlock it. In the event that your SIM is blocked because you entered the wrong PIN multiple times, knowing how to get PUK code for Airtel is how you regain access to the network.

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How to Unblock a Sim Using Airtel PUK Code?

Unlocking a PUK-blocked Airtel number is a fairly simple process. You might have different approaches to getting your Airtel PUK code unlocked in 2023. There are a few simple methods to use in the event that you are unable to unlock the SIM using the code. Remember not to guess the PUK code since 10 incorrect attempts will permanently disable your SIM. Here are a few ways you can follow to unlock your Airtel PUK code: 

Your SIM card will get blocked if you mistakenly enter the wrong PIN code three times in succession. This is a security measure that protects your phone from unauthorized use. To unblock your SIM card, follow the procedure below:

  • Find the PUK printed on your SIM plastic body or certificate.
  • Dial **05*PUK*new pin*new pin#, and call it.
  • Press “Yes/Send/OK/Enter” from the options that appear.
  • You can set your new PIN as a new set of numbers or re-enter the old PIN.

If your SIM plastic body or certificate is lost, you will need to apply for a new SIM certificate at any Airtel Centre. You will also be required to complete a call history form and provide evidence of purchase.

Ways to Unblock Sim by Airtel PUK Number

ways to Unlock Sim using Airtel PUK code

Airtel has provided multiple avenues through which you can either get a new Airtel PUK code or retrieve your old PUK code. A few simple steps need to be followed when your SIM card is blocked for any reason. You can send an SMS to the Airtel PUK number, use the USSD codes, call customer support, or use the Airtel website. It is important to remember that these methods are to be used only when you are unable to unlock your sim using the code.

1. Through SMS:

You can get the airtel PUK code number through SMS by following these steps:

  • Enter the mobile number you wish to unlock using another mobile with an Airtel SIM and send it to 785 through SMS.
  • Type “PUK” <SPACE> ‘15 digit SIM number’ and send it to 121.
  • The 8-digit code you receive from Airtel is your PUK code.
  • You can unlock the locked mobile by entering this code.

2. Through USSD code:

A USSD code can also help unlock your Airtel SIM card. Follow the steps below to learn how to get a PUK code for Airtel using USSD codes:

  • Dial *121*51# using another Airtel number.
  • Click ‘OK’ on the pop-up that appears.
  • Select option 3 from the pop-up that appears.
  • Select the ‘PUK for others’ option from the pop-up on screen.
  • Enter your D.O.B. to verify your identity.
  • You will receive a new PUK code.
  • Input the code into your locked mobile and unlock your Airtel SIM.

3. Through the Customer Support Team:

You can use the assistance provided by the Airtel Customer Support team to unlock your Airtel SIM:

  • Dial the toll-free number 121 from another Airtel mobile.
  • Follow the instructions on the IVR.
  • Ask for the PUK code when you connect with the customer representative.
  • Also, inform them of your locked mobile number.
  • Verify your identity by answering their security questions.
  • Provide the 15-digit SIM number on the back.
  • After confirmation, you will receive a new PUK code generated by the representative.
  • Input the new PUK code in your locked mobile to unlock it.

4. Through the Airtel website:

The Airtel website has countless features, one of which tells you the IMEI number and PUK code of your device and SIM, respectively. You can use this facility by following the steps below:

  • Log into a different Airtel account on the Airtel website.
  • Once you see the screen showing the different numbers associated with your account, tap on the locked number.
  • Go to the Device section.
  • The PUK code and the IMEI number of your mobile will be present here.
  • Enter the PUK code to unlock your locked Airtel SIM card.

The PUK code is not shown to everyone on the official website, so it is suggested you use another method if the PUK code is not visible here.

What happens if none of the above methods works?

It is crucial to address the situation where none of the above methods work when it comes to unlocking your SIM using the Airtel PUK code. Airtel suggests you contact its customer support at a time like this. If you enter the wrong Airtel PUK code 10 times, the SIM will be disabled permanently. Keeping this in mind, here are a couple of things you can do if none of the above methods work:

1. Visit the Airtel Store:

The Airtel store is there to provide a more personalized customer service experience. You can visit the store to get help with any issues you might have. The customer service representatives present there are dedicated to assisting you.

  • You can visit the authorized Airtel store to unblock your SIM.
  • The customer representative will ask you the mandatory security questions in order to verify that the number belongs to you.
  • After verification, the representative will assist you in getting your PUK-blocked Airtel SIM back.

2. Replace your SIM card:

If you have tried all these methods and none of them are helpful, you might have to consider getting a replacement SIM from Airtel.

  • Visit the Airtel store or request a replacement through customer support.
  • You will be able to get a new SIM with a new PUK code.


The Airtel PUK code is essential for Airtel subscribers when their sim card is blocked due to multiple incorrect PIN entries. It behaves as a lifeline to regain access to your Airtel Network. Keep in mind that you keep your PUK code safe, and use it wisely. Staying connected is important, and a blocked SIM card can be a huge inconvenience. You can follow the various methods mentioned above to try to unlock your locked Airtel SIM. In the rare event that none of those methods work, you have the option of getting a replacement SIM card. Keep your Airtel PUK code on hand, and you will always have a solution at your fingertips.

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FAQs of Airtel PUK Code

Q1. What happens after entering PUK code?
Ans.  You will be able to regain access to your network after you enter the Airtel PUK code. 

Q2. How can I get my PUK number by SMS?
Ans. You can get the Airtel PUK code by SMS by following these steps:

  • Use another Airtel Mobile number.
  • Enter the mobile number you wish to unlock and send it to 785 through SMS.
  • Type “PUK” <SPACE> ‘15 digit SIM number’ and send it to 121.
  • The 8-digit code you receive from Airtel is your PUK code.
  • You can unlock the locked mobile by entering this code.

Q3. What if PUK is blocked?
Ans. You can get assistance from the customer support team for the Airtel PUK code unlock. You can also unlock it using the methods mentioned in the article:

  • Through SMS
  • Using USSD codes
  • Through the Airtel Website
  • Talking to Customer Support
  • Visiting the Airtel Store

Q4. Can you unlock SIM without PUK?
Ans. Yes, there are a few ways through which you can unlock your SIM without an Airtel PUK code. You can get a new PUK code by verifying your identity through the USSD code, the customer support team, or by visiting the Airtel store.

Q5. Why Airtel PUK code problem arises?
Ans. This problem arises if you have entered the incorrect PIN more than 3 times and do not have your PUK code with you.

Q6. What is the Airtel PUK code customer care number?
Ans. The Airtel SIM PUK code customer care numbers are 121 and 198.

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