Lock and unlock a SIM card or eSIM

Have you lost your SIM card or is your eSIM profile being misused? We will explain to you step-by-step how to lock your SIM.
If the problem is resolved or your SIM card reappears, you can simply unlock it again.

My Sunrise

In My Sunrise you can block or unblock your SIM online at any time:


Forgotten your PIN code

If you have forgotten your PIN code, please intentionally enter an incorrect PIN code 3 times. Your mobile phone then asks for the PUK code. Once you have entered this correctly, you can set a new PIN code.

Check PUK code in My Sunrise

You can check your PUK code (with an eSIM also the PIN code) in My Sunrise: