Why nail real-name authentication and certification?

Because you need an account and password to log in, you need SMS authentication to log in when you change your mobile phone and log in again. 1. First, open the nail App and click on the avatar in the upper left corner. 2. Click on the Settings option. 3. After entering the settings page, click Exit below to log in. 4. Click OK in the pop-up prompt box, and finally enter a new mobile phone number in the login interface. You can log in with the mobile phone verification code, just enter the mobile phone verification code.