How many times can I change my mobile phone number?

You can change the mobile phone number in the nail setting, and you can successfully change the account number by verifying the SMS of the original mobile phone number for any number of times.

Nailing can not only work online, but also help students attend classes online. Teachers teach online. Many students forget to mute after entering the online classroom, which leads to very noisy classroom. Teachers can set mandatory mute mode for all employees.