First of all, do you remember the information when the ID account of this mobile phone was registered? If you remember, you can log on to the Apple ID page of Apple official website, and then log off. If you don't remember the account password, you can get the purchase invoice, warranty card and box, and Apple can help you unlock it when you get it at the Apple Direct Store. If the above conditions are not met, you can only consider replacing the baseband chip or trying to run the code. The ID account of Apple's mobile phone is stored in the baseband chip. Many mobile phone repair shops claim to unlock the ID by replacing the base band, but the cost will be relatively high, estimated to be three or four hundred. Running code is not recommended, it requires a lot. First of all, you need the mobile phone to be in a state where you can enter the password, and then use the computer to connect the mobile phone through the data cable to try the password all the time. This method is easy to damage the baseband, which means that even if it is unlocked, it may be necessary to change the baseband.

I hope my answer can help you. I wish you a happy life. If you have any questions, please click on the follow-up below to continue your questions.