How to add a referee after sign-up
If you have already signed up, you can specify the referee manually.
Follow these steps:
1. Tap the profile icon in the upper right corner.
2. Tap Referral program.
3. Paste the referee link in the Link or code of the inviter field.
4. Tap Save.
After that, you will become a referral of the specified user.
A user can have only one referee. You cannot change your referee.