Why can’t my friend bind my invitation code?

Q: Why can’t my friend bind my invitation code?

For your friend to successfully bind the invitation code, they need to meet the following conditions: (1) They have not previously used Kwai. (2) They have not bound someone else's invitation code. (3) They need to log in and enter the invitation code within 3 hours of downloading and installing the new version of Kwai. Please ensure your friend meets these conditions and try binding again.

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Answer