How to change the mobile phone to the WeChat public account group?

Q: The company's WeChat public account, every time in the group send information, you need to scan the QR code on the mobile phone. Recently, due to the employee's departure, you need to change the new mobile phone number to bind. If you change it?

A: Click on the security assistant on the left

Under the public security assistant, you will see a public security assistant bound.
Click to modify the binding micro-signal and then Pop-up verification of the original micro-signal With the phone to scan, the original WeChat binding is cancelled. Then prompt again to bind the new mobile phone micro-signal, scan again, and successfully bind the new micro-signal.