How do I know the PIN of my SIM card? Complete tutorial

As a general rule, our SIM cards incorporate a PIN code in order to protect our data and privacy. If you have blocked your card with the PIN code, you will have to enter it every time you turn on your mobile. Now, what if you forgot? Surely, you have asked yourself more than once “How do I know my SIM card PIN?”. Today we will find out.

To begin with, keep in mind that The PIN code of your SIM by default corresponds to the last four digits of the PUK code of the card. If you never changed this code, the SIM card PIN will remain the same. But if you modified it, you will not achieve anything by entering these numbers. Next, let's look at different ways to recover the SIM card PIN code.

How do I know the PIN of my SIM card?

On other occasions we have analyzed how to know the number of a SIM. But today we will answer the question “how do I know the PIN of my SIM card?” When we buy a new SIM card, it incorporates at least two codes: the PIN code and the PUK code. The PIN consists of four digits and the PUK consists of eight. Default, The PIN is made up of the last four digits of the PUK code. So, if you have a new SIM, you will be able to know your PIN just by looking at the PUK code.

“What can happen if I make a mistake several times when entering the PIN code of my SIM card?” That this will be blocked. This means you won't be able to get into your phone no matter how hard you try. And, although it may be a bit annoying and frustrating, the truth is that it is a very practical security measure to prevent someone without authorization from having access to your personal information and data.

Of course, the thing It becomes a little more complicated if we change the PIN code, whether for safety or pleasure. “If I forget my SIM card PIN, is the only way to create a new one by entering the PUK code?” That's right, you will always need the PUK code. You can easily access the PUK if you keep the plastic that your SIM card came in, as this 8-digit code is printed there.

A new PIN for my SIM card with the PUK code

Mobile operators incorporate the PUK code on your SIM card for security. “If you locked the SIM card, can I use the PUK to unlock it and assign a new PIN for my SIM card?” Of course, this is the main purpose of the PUK. Of course, you won't need the PUK too often, but it does act as a master code in case you forget your PIN.

“If I don't remember my SIM card PIN, what can I do?” If this happens to you, but you have the PUK code at hand and your phone is fully operational, follow these steps to create a new PIN:

1. Open the phone app.
2. Enter the code **05*PUK*NewPIN*NewPIN#.
3. Press the call button.

Obviously, in the PUK section, you will have to enter the corresponding code. And where it says “NewPIN” you will have to put the PIN you want to have. The truth is that this is a preventive measure, just in case at some point you have to enter the PIN to unlock your SIM.

“What if my mobile phone has been blocked because I forgot the PIN of my SIM card?” Only you must enter the PUK code in the corresponding field. Next, you must enter a new four-digit PIN. Finally, you will have to confirm the new PIN and that's it. This way you will enter your mobile normally.

How to obtain the PUK code to change the PIN of my SIM card?

But what if the situation is even worse? AND If you have no idea where the SIM plastic was, where was the PUK code written down? There is no need to worry, you are neither the first nor the last person to whom this has happened. There are different ways to access the PUK code and here we tell you.

If that is your case, forget about the PIN code for a moment. Now what you need is to obtain the PUK code. Fortunately, mobile operators have provided different ways to obtain this code. Once you have it, you can create a new SIM card PIN and make sure you don't forget it. So how to get the PUK code? Let's look at four ways to achieve this.

Use your mobile operator's website

Although it depends on the mobile operator you use, Usually on the website there is a section for customers. From there you can do many of the procedures without having to contact an operator. By entering with your ID and telephone number, you will most likely be able to find the PUK code for your SIM card.

Through your operator's mobile app

If the company uses a mobile app and you have it installed on your phone, Check the menu to see if the PUK Code entry is there.. Now, if you have your phone locked, you may have to download the application on a second phone to check if you can obtain the PUK through it.

However, it is good that you keep in mind that some mobile operators only allow you to use their application from the phone that has the SIM card. If that is your case, you will have to go for the following way: a phone call.

With a phone call

In case none of the above methods work, you can still make a phone call to the customer service number of the company. A positive point about this idea is that you can do it from any number that belongs to the same operator. What can they do for you?

It is possible that after verifying your identity and that the SIM card is in your name, send you the PUK code via text message. But, come on, if your phone is locked it won't matter. That's why, Most likely, they will make it easier for you to enter their website or application. so that you can see the PUK yourself.

In a physical office

What other way do you have to obtain the PUK code? Go to the nearest office of the mobile operator and tell them your situation. Surely, after verifying your identity, they will give you the PUK code that you need to unlock and have the PIN again.

In conclusion, whatever method you use, Once you have the PUK code, you just have to enter it in the corresponding section. Next, you'll have to enter a new PIN, making sure you don't forget it again. Remember that both codes, both the PUK as PIN of the SIM card, are designed to protect your privacy and security.