2024-03-22 05:51:24
When securing the phone with a PIN codethe SIM card is automatically locked if the device is not in use or if a wrong PIN code is entered on the screen interface.
When you buy your SIM cardit is attached to a larger piece of plastic than the one you take it out of. The actual SIM also has a series of numbers printed on it. Your PUK code is the 8-digit number found on the SIM or the packaging of the additional SIM.
It should be noted that, by default, Your PIN code is the last 4 digits of your PUK code, but obviously if you have changed your PIN code this will no longer apply.
If you do not remember your PIN code, it is best to enter 3 wrong PIN codes. This way, The device will ask you for the PUK code and then you can enter a new PIN code of your choice.
What is the SIM card PUK code and how does it work?
As it was mentioned already, If you enter the PIN code incorrectly three times in a row, your SIM card will be automatically blocked to prevent unauthorized access to your personal data, such as your phone number, your contacts and your call history.
To unlock it, you need the PUK code, which is a master key that only you know and that allows you to reset the PIN code.
To unlock your SIM card with the PUK code, follow these steps:
- Enter the PUK code in the corresponding field on your mobile.
- Enter a new 4-digit PIN code.
- Confirm the new PIN code.
The PUK (Personal Unblocking Key) code is an 8-digit code. It is used in this type of emergency case and you can find it on the card that the SIM came on or on your telephone company’s website.
Notably a card blocked by the PUK code cannot be unlocked; It cannot continue to be used and must be replaced.