Why did I change my appleid account information and deduct 1 yuan?

The reasons for this problem are as follows:

The reason why you need to deduct 1 yuan to change the account information of Apple ID is that the birth date of Apple ID is set according to the date when the device is first activated. If you change the birth date of the Apple ID, you need to deduct 1 yuan to verify the account information.

The steps to change the account information of Apple ID are: open Apple official website and log in to Apple ID, select Edit from the account drop-down menu in the upper right corner of the page, and click the name, phone number and email option in the pop-up account information page. You can modify your name, phone number and email address in the name, phone number and email area.