If you use a vivo mobile phone and enter the wrong PIN code three times in a row, the SIM card is locked and can be unlocked by PUK code (PUK code can be consulted with the SIM card operator); If you enter the wrong PUK code for 10 consecutive times, the SIM card will be permanently locked and cannot be unlocked. At this time, it is necessary to replace the SIM card.
The telephone numbers of the four major domestic operators are: 10099 (China Radio and Television), 10086 (China Mobile),10 (China Unicom) and 1000 (China Telecom).
If you have more questions, you can go to official website /vivo Mall APP-My-Online Customer Service-Sliding Bottom-Online Customer Service-Manual Customer Service for consultation.