Send a text message saying that my apple spending is abnormal. What happens if I enter an id?

Will lead to the disclosure of personal information or the theft of funds.

If you receive a text message saying that there are abnormal expenses in the Apple account and prompting for account information, it is probably a phishing message. Please don't enter account information, and don't click any link in the message. Just delete the message directly.

Phishing SMS is a common way of online fraud. By sending false information and links, users are defrauded of personal account information or other sensitive information, and then illegal activities are carried out to steal users' property and privacy information.