How can I get my mobile phone number back if I change it?

This situation can be found by trying the following methods:

1. Search through Netease account login page: Try to log in to Netease account login page, select login with your mobile phone number in the login box, and then click "Forgot password" or similar options. According to the prompt, fill in the email address and real name you have bound, verify your identity and reset your password.

2. Contact customer service to get it back: call Netease customer service or send an email to Netease customer service mailbox to explain the problem and provide relevant information, and customer service will help you get it back.