The PIN code of mobile phone is a security measure of SIM card to prevent others from stealing your SIM card. When you enter the wrong PIN code three times in a row, the phone will automatically lock. At this time, you must use the PUK password to unlock it. You must consult your SIM card service provider for this PUK code. If you enter the wrong PUK code ten times in a row, your mobile phone SIM card will be burned and scrapped. Of course, you can go to the SIM card service provider, that is, the telecom lobby, and ask them to help you solve it, but this is more troublesome. I'm here to tell you a simpler and faster way to unlock your mobile phone, as follows:
1. Log in to the online business hall of China Mobile.
2. Enter your mobile phone number in the upper right corner, and click Go to link to the online business hall in the area where your mobile phone belongs. 3. Enter your mobile phone number, service password and verification code, and then log in.
4. In "Personal Information Management", click "SIM/PIN/PUK code query" to see the PUK code corresponding to your mobile phone.
5. Enter the corresponding PUK code on your mobile phone to unlock the SIM card.
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