The PUK code (PUK1) consists of 8 digits, which cannot be changed by the user. The PUK code will only be changed after the SIM card is replaced. When the mobile phone PIN code is locked and prompted to enter the PUK code, do not act rashly, because the PUK code has only 10 input opportunities, and if 10 errors are entered, the SIM card will be permanently locked, that is, scrapped. The PUK code of some SIM cards is included with the card when the user purchases the card, such as China Mobile's Shenzhouxing, etc., while the other part needs to be obtained from the network operator. If your PIN code is locked and you don't know the PUK code, don't If you just enter it, the correct way to do this is to call the service hotline of the operator of the SIM card. After a simple user data check, you can get the PUK code and unlock the phone lock. The service is free. But sometimes things happen by chance. When I use it, I accidentally lock the SIM card permanently. After consulting the mobile company, the waiter said that the card must be replenished. However, when the permanently locked card is placed on other mobile phones, it is found that it can be used. It can't be used on some mobile phones, which is very confusing. This is inconsistent with the official statement, maybe there are some technical problems or tricks. Maybe many people don't believe it, but that's the way it is. There will be no new discoveries without trying. Sometimes the pin code is set, but I forgot. After three incorrect entries, the phone is locked and must be unlocked with the puk code. Go to the business hall 1, bring a valid ID card and other documents, personally go to the Unicom business hall in the area where the mobile phone card is located for unlocking business. For the mobile number, you can call the customer service to directly query the puk code, but Unicom's customer service is not queried. I tried it myself. Contact the account manager and let your loved ones go to the business hall. 2, the rule is that you must go by yourself, but if you are in the field, and you can't come back for a while. You can call China Unicom customer service and ask if your number has an account manager. If you have one, contact your account manager. With the situation, you can see your puk How to check the PUK code and PIN code tool of the mobile phone on the official website / The mobile phone method of the mobile phone card to be queried by the raw material computer / Step Baidu "China Mobile Online Business Hall", the first official website is. Log in to the online business hall of your mobile phone. If you know the service password, you can log in with the service password. If you don't know, you can log in with the SMS password. Enter PUK or PIN in the search bar and go to the first one. Go in and confirm that your PUK code and PIN code are displayed. Heating Element Temperature Control,Electric Grill Temperature Controller,Thermostat For Heating Element,Oven Capillary Thermostat Foshan City Jiulong Machine Co., Ltd , https://www.jlthermostat.com
