How to Change SIM PIN on your iPhone

Most SIM cards come with default PIN. To ensure complete safety, it is advisable to change it. Here's the quick tutorial on how to change iPhone SIM PIN.

The world is filled with strange people, and we all have a few surrounding us. Some weird people I have met always borrow my iPhone to make calls and send texts. It’s okay, but sometimes that may put us in trouble if our cell number is used for any illegal activities. To avoid this, I follow the practice to change SIM PIN on my iPhone, and that has really irritated some people because this won’t allow them making any calls or send Text.

The only downside of this is that you need to restart your device before handing it over to someone. Only then the “Locked SIM” message will appear in the status bar. Also, removing the SIM from the device will lock it. By default, your carrier has a PIN set, which is available by a simple Google search. So it is highly recommended to change it. To do so, follow the guide given below.

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How to Change SIM PIN on iPhone

Note: When you change the SIM PIN, you need to enter the current PIN and then you will be able to modify the SIM PIN.

Step #1. Launch Settings app on your iPhone → Tap on Cellular or Mobile Data option from the list.

Tap on Mobile Data in iPhone Settings

Step #2. Next, tap on the SIM PIN option.

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Tap on SIM PIN Under Mobile Data on iPhoneNote: If you have not set up SIM PIN previously, the Change PIN option will be disabled on your iPhone.

Step #3. Toggle on “SIM PIN” if it is off, then tap on Change PIN.

Tap on Change PIN in iPhone Settings

Step #4. As soon as you tap on Change PIN option, you will be prompted to enter your current PIN.

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Enter your current PIN and Tap on Done on iPhone

Step #5. Now, enter the new PIN and re-enter the same PIN to confirm your action.

Change SIM PIN Enter New SIM PIN on iPhone

Just enter four-digit PIN so that you can easily remember the number.

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That’s it! You have successfully changed SIM PIN on your iPhone. Next time, when you give your iPhone to someone, just restart the device.

You can see Locked SIM on iPhone

Why should you change SIM PIN?

As said earlier, finding default SIM PIN for your carrier doesn’t take more than a couple minutes, and it can sometimes compromise your safety. Hence, it is recommended to change the default PIN to something more secure.

Signing off…

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When you enable SIM PIN for the first time, make sure you don’t lock the SIM accidentally as you may require PUK number from the carrier to unlock. Moreover, you must not try guessing the PIN because wrong guesses can permanently lock your SIM card, and you will have to insert a new SIM card from your carrier.

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Dhvanesh Adhiya
Dhvanesh Adhiya is the founder and editor-in-chief who takes care of audio, visual, and textual contents uploaded on He is passionate about wonderful apps that change the way your iPhone interacts in your life.
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