How to query the password and PUK code of UIM card?

The initial PIN code is 1234. When the UIM card is locked, please enter the corresponding PUK code. PUK code query method is as follows: 1, edit "604" or "PUKCX" and send it to10001; Log in to the net hall for inquiry (path: self-service-account management -PUK code inquiry. ) 2. You can call 10000 to verify the user's identity and check it, or bring valid documents to the front desk of the business hall for enquiry. For more service benefits, please click on "official website" Customer Service 220 below to answer your questions.