After entering the Dadu Accounting app on your phone, click [My] in the lower right corner, then follow the sequence, open [Settings], select [Account Settings and Binding], then click [Mobile Phone Number], enter the original mobile phone number and Password, then enter the next step, then enter the new mobile phone number and verification code, and finally click [Finish].
1. First open the [Daotao Accounting] APP, then click [My] - [Settings] - [Account Settings and Binding] - [Mobile Phone Number] in the lower right corner;
2. Then enter your password, click [Next], then enter another mobile phone number and SMS verification, and finally click [Finish].
The above is the nagging question. How do I change my mobile phone number? Please pay attention to this website for more information and tutorials on how to change your mobile phone number.