What if the SIM card is locked?

When your SIM card is locked, don't worry, don't do anything, or the card will be permanently valid if you make more than ten mistakes.

Turn off the phone.

Turn off your cell phone.

Go to the business hall

Take your ID card to Unicom or the mobile business hall and tell them that the SIM card is locked. They will naturally help you check the PUK and PIN code of your SIM card.

Enter PUK code

When entering the unlocking interface (the instructions have access methods), first enter the PUK code to unlock the SIM card.

Enter PIN code

Then he will ask you to enter the password. At this time, you will enter the PIN code (default is 1234, if it has been changed, enter the changed one.

Enter the PIN code again

Finally, re-enter the PIN code for confirmation.

Unlocked successfully.

Congratulations, your SIM card has been unlocked! ! ! In short, remember this order, you need to enter the password three times: PUK code-password-password.