What's the phone number of this machine?

View through mobile phone settings, send SMS queries, etc.

1. View through mobile phone settings: Open the mobile phone settings, get to know the mobile phone, find my phone number under the status or network, and view the mobile phone number of this machine.

2. Send SMS inquiry: Send SMS with specific content to customer service phone. For example, in China, you can send a text message to 10086 or 100 10, and wait for a reply message, which usually contains your mobile phone number.