Notes on how to untie the mobile phone number.

1. The mobile phone number is still in use (you can also receive short messages)

1. Change the mobile phone number

Step 1: App home page-arrow in the lower left corner-account book slide page-click on the avatar

Step 2: Enter the personal center-My profile-mobile phone number-change the mobile phone number

2. Unbind the mobile phone number

step 1: app home page-arrow in the lower left corner-slide page of account book-click on the avatar

step 2: enter the personal center-my profile-account binding-bind an email (if it is already bound, then ignore this step)

step 3: return to My Profile and Mobile Phone Number More to unbind

II. Change your mobile phone number

Step 1: App homepage-arrow in the lower left corner-slide page of account book-click on the avatar

Step 2: Enter the personal center-My profile-account binding-bind an email address (if it is already bound, then ignore this step)

Step 3: Log in to www.sui.com-Set-Personal Center-Modify your mobile phone number-Select the verification method. Unbind the mobile phone number

step 1: change the old mobile phone number to a new mobile phone number that can receive short messages according to the method of "changing the mobile phone number" above

step 2: return to the Personal Center of the mobile APP-My Profile-Mobile Phone Number-More-Unbind.