What should I do if my mobile phone number is cancelled?

You can choose to unbind or change your mobile phone number.

Mobile phone is a kind of portable telephone terminal which can be widely used. It is called a mobile phone or a wireless phone. At first, it was just a communication tool. It was commonly known as "mobile phone" in China in the early days. The mobile phone was first developed from the battlefield mobile phone manufactured by Bell Laboratories in 1940. In addition to typical telephone functions, modern mobile phones also include many functions, such as camera, GPS and Internet connection, which are often called smart phones.