What if the PIN code is locked? (urgent)

Take Apple 8 as an example, you can unlock and cancel the mobile phone pin code, and the operation method is as follows:

Tool: iPhone 8

Operating system: iOS 14.4. 1.

1, open the phone and click Settings;

2. Go to the Apple phone settings page and click on the cellular network;

3. Enter the cellular network settings page and click the PIN key of the SIM card;

4. Enter the SIM card PIN management page, and click the switch behind the SIM card PIN to turn it off;

5. Pop up the PIN authentication page, enter the PIN, and then click Finish in the upper right corner;

6. The PIN code passed the authentication, the password of the SIM card was successfully cancelled, and the PIN code of the SIM card was closed, thus completing.