Unicom card is locked. How to unlock it？

　　SIM card is a must in mobile phone, also known as smart card and user identification card. GSM digital mobile phone can only be used with this card. If the sim card in your mobile phone is locked, you must go to the business hall to unlock it or unlock it by other means, otherwise even changing the card will not help. So how can I unlock it? Let’s introduce it in detail.

Unicom card is locked. How to unlock it?

　　Step 1: Unlock the SIM card with PUK code. The main reason is that the PIN password is entered more than three times and is incorrect, and the SIM card will be locked automatically. At this time, if you know the PUK password, you can enter it and unlock the SIM card after it is correct.

　　Step 2: Unlock the password with software. If you don’t know or forget the PUK password, you can use the software for unlocking the SIM card with your mobile phone to forcibly unlock the password. However, the software needs to be downloaded from a professional website, which is difficult to operate.

　　Step 3, find a mobile phone customer service If the above methods can’t be solved, or if you forget the PUK password, you can go to the customer service center of the SIM card to unlock it. You usually have to go to a large business hall. After giving the SIM card to the customer service staff, the customer service staff will brush your SIM card, and then display the initial PUK password of your SIM card on the computer. After getting the password, enter it in the mobile phone, and you can unlock the SIM card.

　　The above is the solution to the sim card being locked. It should be noted that when purchasing a SIM card, you must mark the PUK password of your SIM card and keep it safe so that it can be unlocked after the SIM card is locked in the future. I hope it will help everyone.