What's the password of the mobile phone?

PIN 1 code In order to ensure that your mobile phone will not be stolen after it is lost, each SIM card can be set with a set of personal passwords (PIN codes), and the SIM card can be locked with its own four-digit password; The usual PIN refers to PIN 1, which is used to protect the security of the SIM card. The initial password of PIN code is 1234.

PUK code PUK code consists of 8 digits. When the PIN code is entered incorrectly for 3 times and locked, it can be unlocked with PUK code. There are 65,438+00 input opportunities. After 10 times, the USIM card will automatically start the self-destruction program, making the SIM card invalid. Only go to the business hall to reissue the card.