How to bind Tianlong Babu to mobile phone?

There are several ways to bind Tianlong Babu by mobile phone: < 1 >

As soon as Tianlong is opened, you can click on the mobile phone secret protection (1).

A mobile phone number can be bound to 5 accounts)

"2" Open official website's self-management and click the phone binding (this is free).

< 3 > SMS binding (this requires 100 yuan)

I also played Zoroastrianism in Grade 86. What can I do to add me?

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