1. Call the official customer service hotline.

2. Then tell the customer service what the number of the unbinding mobile phone is, and the customer service will unbind it in the background.

3. Wait patiently for the successful unbinding within seven working days. Oral Language Easy is an educational software developed by Guangzhou Feishuo Information Technology Co., Ltd., which aims to create personalized learning paths and interesting learning scenes for users, record and analyze students' learning characteristics, behaviors, needs and trajectories, and carry out AI intelligent pronunciation correction.