Unlock and Disable SIM PIN Code on iPhone

How to Unlock and Disable SIM PIN Code on iPhone.

If your iPhone asks for a SIM PIN every time you restart it, you might want to turn it off. I’ll show you how to unlock and disable the SIM PIN code on your iPhone so you do not have to enter it again.

I am showing you on iOS 18.5 with an iPhone 16 Pro Max Titanium Black 256 GB version Global model A3296 – MYWV3ZD/A. The same steps work on any iPhone with a physical SIM card.

What Happens When You Disable SIM PIN

Disabling the SIM PIN means your iPhone will no longer ask for a PIN when you restart your phone. You also will not need to enter it if you remove the SIM card and put it back in.

Important to understand: Disabling the SIM lock does not remove the PIN from your SIM card. The PIN still exists on the card. You are just telling your iPhone to stop asking for it. You still need to remember your SIM PIN in case you ever want to turn the feature back on.

Before You Start

To disable SIM PIN, you need to know your current SIM PIN. If you enter the wrong PIN three times, your SIM card will lock. You will then need a PUK code from your carrier to unlock it.

Make sure you have your SIM PIN ready before following these steps. If you do not know it, stop here and contact your mobile carrier first.

How to Disable SIM PIN on iPhone

Follow these steps to turn off the SIM PIN requirement:

1. Open the Settings app on your iPhone
2. Tap on “Cellular” (on some models it may say “Mobile Service” or “Mobile Data”)
3. Scroll all the way down to the bottom of the Cellular page
4. Tap on “SIM PIN”
5. You will see a toggle switch for SIM PIN
6. Tap the toggle to turn it off
7. A pop-up will ask you to enter your current SIM PIN
8. Type your SIM PIN carefully
9. Tap “Done”

If you entered the correct PIN, the toggle will switch to off. The SIM lock is now disabled.

How to Verify SIM PIN Is Disabled

After you complete the steps, go back to the main Settings screen and then return to Cellular > SIM PIN. The toggle should show as off (gray, not green).

You can also test by restarting your iPhone:

1. Restart your iPhone
2. When the phone turns back on, enter your regular iPhone passcode
3. Your phone should connect to the cellular network without asking for a SIM PIN

If it asks for a SIM PIN, the feature is still enabled. Go back and try the steps again.

What If You Enter the Wrong PIN

You get three attempts to enter the correct SIM PIN. Here is what happens:

• After the first wrong attempt: It shows “2 attempts remaining”
• After the second wrong attempt: It shows “1 attempt remaining”
• After the third wrong attempt: Your SIM card locks completely

If your SIM locks, you will see a message saying “SIM locked” or “Enter PUK code.” You will need your PUK code from your mobile carrier to unlock it. Do not guess the PIN repeatedly. Stop after two wrong attempts if you are unsure.

What Is a PUK Code

PUK stands for Personal Unblocking Key. It is a longer code (usually 8 digits) that unlocks a locked SIM card. You cannot guess a PUK code. You must get it from your mobile carrier.

To get your PUK code:

• Check the documents that came with your SIM card
• Log into your mobile carrier’s website or app
• Call your carrier’s customer support

Some carriers show your PUK code in their app. If you lock your SIM, find your PUK code before you try again. Entering the wrong PUK code too many times will permanently disable your SIM card. You would then need a new SIM.

Security Considerations Before Disabling SIM PIN

Think about these points before you turn off SIM PIN:

• Anyone with access to your SIM card can put it in another phone and use it
• They could make calls and use your mobile data
• They could receive text messages meant for you, including two-factor authentication codes
• If your phone is lost or stolen, removing the SIM PIN makes it easier for someone to use your mobile service

If you lose your phone often or travel to places where theft is common, keeping SIM PIN enabled might be a good idea. If you mostly keep your phone safe and find the extra step annoying, disabling it is fine for most people.

Can You Re-Enable SIM PIN Later

Yes, you can turn SIM PIN back on at any time. The steps are the same as enabling it for the first time:

1. Go to Settings > Cellular > SIM PIN
2. Toggle the switch to on
3. Enter your SIM PIN
4. Tap Done

You will need to know your SIM PIN to re-enable it. If you forgot your PIN, you may need to contact your carrier to reset it.

Does Disabling SIM PIN Affect eSIM

No. This guide is for physical SIM cards only. eSIM (embedded SIM) does not use a SIM PIN in the same way. If you only use eSIM, you do not need to worry about this setting.

Troubleshooting

If you cannot disable SIM PIN, try these things:

• Make sure you are entering the correct SIM PIN
• Check that you have not already locked your SIM by entering wrong PINs
• Restart your iPhone and try again
• Make sure you are tapping the toggle switch correctly

If nothing works, contact your mobile carrier. They can help you reset your SIM PIN or check if there is an issue with your SIM card.

Final Thoughts

Learn how to disable SIM PIN on your iPhone by going to Settings > Cellular > SIM PIN and toggling it off. You will need to enter your current SIM PIN to confirm the change.

Once disabled, your iPhone will stop asking for a SIM PIN when you restart. Keep in mind that disabling this feature means anyone with your SIM card can use it. If convenience matters more to you than that specific risk, go ahead and turn it off.

If you ever change your mind, you can turn SIM PIN back on using the same steps. Just remember to keep your SIM PIN somewhere safe so you do not get locked out.

Thanks for watching. I hope this helps you. Let me know if you have any questions.