How can I change my tie when the mobile phone number of Ark stops tomorrow?

Introduction to the binding method for changing the mobile phone number of Tomorrow Ark;

The mobile phone number 1 is no longer used. You can change another mobile phone number in the game, start the mobile phone, open the Ark of Tomorrow game, and click the settings in the upper left corner of the game homepage.

2 Then click the change function in the account information option.

3 Then enter a new mobile phone number and send the verification code. You need to verify the two mobile phone numbers. When the mobile phone receives the verification code and fills it all in, click OK to change it.