What should I do if I get an error in my PIN?

Method 1.

In order to protect your security, China Unicom SIM card is protected by PIN code and PUK code. When the PIN code is entered incorrectly 3 times, the SIM card will be automatically locked, and the mobile phone will prompt "SIM card locked".

After the SIM card is locked, you need to enter the PUK to unlock it, you can log in to the mobile phone business hall and click "My Unicom", > "Security Center" > "My PUK Code" to query the PUK code.

Method two. PIN is the identification password of UIM: the PIN code of UIM card is generally four digits, and if you enter the wrong PIN code three times in a row, the mobile phone will lock the card by itself.

If you haven't changed it, you can check the PIN code on the back of the card. When the PIN code is entered incorrectly 3 times, the UIM card will be automatically locked. At this point, it can only be unlocked by entering the puk.

PIN is the identification password of the UIM: the PIN code of the UIM card.

Generally, it is four digits, and if you enter the wrong PIN code three times in a row, the mobile phone will lock the card by itself. If you haven't modified it, you can view the large card.

The PIN code behind it. When the PIN code is entered incorrectly 3 times, the UIM card will be automatically locked. At this point, it can only be unlocked by entering the puk. To learn more about service offers, click on the "****" customer service 222 below to answer for you.

1.Significant! Please be sure to record and save the password, PIN and corresponding password of the current system login account in case you cannot log in due to forgetting.

2.The resetability of the multi-authentication method to enter the system from high to low is the system login password, PIN code, fingerprint and face recognition, etc., it is recommended to give priority to the password login system verification.

1. If you have forgotten your PIN and cannot enter your Microsoft account password to enter the system, please follow the steps below to reset your PIN to enter the system.

1.Please make sure your computer is connected to a network that can access the Internet on the Microsoft login screen, and then click "I forgot my PIN".

Warm reminder: This interface is a Microsoft login interface, non-local login interface, this step depends on whether there is an option to enter a password problem or reset a password when setting a password, if you have not entered a password question before, it will not pop up "I forgot my pin".

2.Verify your Microsoft account password;

3.If your Microsoft account is bound to a mobile phone number, please choose to send a text message to the mobile phone number, and you need to verify the last four digits of your mobile phone number before sending the SMS;

<>4.Enter the verification code received by your bound mobile phone number, and then click "Verify".

5.After the verification is successful, there will be a confirmation prompt to reset the PIN, please click Confirm;

6.Then follow the prompts to enter the new PIN, after the setting is completed, click OK, you can enter the system, and you can use the newly set PIN to log in to the system.

2. If you are able to access the system through other passwords (such as local account passwords), please modify the PIN as follows.

Press the key combination "Win+I" to enter the settings interface of Windows, select "Account" >Login Options", click "I forgot my PIN", and then you need to enter the account password, and set a new PIN according to the prompts on the interface after the password is entered correctly.

If you enter the PIN code incorrectly, you can try the following methods:

1.Re-enter your PIN: Make sure you remember your PIN correctly, then enter it carefully. Sometimes it's just sloppiness or shaky hands that cause typing errors.

2.Check the keyboard layout: Make sure you're using the correct keyboard layout. In some cases, the keyboard may be set to a different language or alphabetical order, and the characters in the guide will not match the expectations.

3.Try a default PIN: Some devices (e.g., mobile phones, bank cards, etc.) will have a default initial PIN. You can refer to the relevant instructions or contact customer service to get this default value, and try to use it to unlock it.

4.Wait a while and try again: Some devices temporarily lock your account after entering the wrong password several times in a row (e.g. not on your phone). In this case, waiting a few moments and trying again may unlock the account.

5.Seek professional help: If you can't resolve the issue anyway and need urgent access to content or features on your locked device, it's a good idea to seek further guidance and assistance from your provider, bank, or technical support team.

If your computer is locked because you have entered the wrong PIN code multiple times, you can try the following methods:

Restart your computer: Try restarting your computer to see if you can re-enter your PIN. If you can't re-enter your PIN, you may need a more complex solution.

Unlock with a Microsoft account: If your computer is signed in with a Microsoft account, you can sign in to your Microsoft account from a different device and reset the PIN for your locked computer.

Unlock with an administrator account: If you have an administrator account set up on your computer, you can use that administrator account to sign in and reset the PIN code for the locked computer.

Reset your PC: If none of the above fixes the issue, you may need to reset your PC. Please note that before resetting your computer, make sure that you have backed up all your important data and files.

Please note that before making any changes, make sure that you have backed up all your important data and files.