Unlock SIM with SIM PIN and PUK code
Your SIM card is blocked and you have forgotten your PIN or PUK code? We'll show you where to find your PUK code and how to set a new SIM PIN.
Unlock SIM card
Unlock your SIM card on your iPhone or any other device with your SIM PIN. If you enter your SIM PIN incorrectly 3 times, you will need your PUK to unlock it.
Forgotten SIM PIN
Proceed as follows if you have forgotten your PIN and want to set a new SIM PIN:
1. Enter SIM PIN incorrectly
Deliberately enter your SIM PIN incorrectly 3 times.
2. Enter PUK code
Enter the PUK code. You’ll find this in My Swisscom.
3. Set new SIM PIN
Set a new SIM PIN.
Forgotten PUK code
Where can I find my Swisscom PUK code?
You can find your PUK code in My Swisscom.
I have entered the PUK code incorrectly 10 times and now my SIM card is blocked. What can I do?
Your SIM card has been deactivated for security reasons. Order a replacement SIM free of charge.
Forgotten device code
You set the device code for the screen lock on your device yourself. Swisscom has no influence over this and cannot reset the code.
FAQs
How can I order a new Swisscom SIM card?
How can I block my SIM card?
You can block your SIM card if it is lost or stolen.
Lock SIM
What can I do if my SIM card has been blocked?
If you have entered the wrong PUK 10 times, your SIM card has been deactivated for security reasons. Order a replacement SIM free of charge.
Order new SIM
How can I activate a SIM PIN for my eSIM?
Choose your support option
Manage in My Swisscom
Manage your products, services and data directly in your account.
Arrange a callback
Choose a time slot and get support from a specialist over the phone.
Chat with Swisscom
The digital assistant Sam helps you with questions about your Swisscom products.
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