1- Download Zubizu and sign up.
2- Go to the referral code field on the My Profile page.
3- Enter ZBZ5GB in the code field.
4- Congratulations, your referral code has been registered.
5- Click on the campaign card on the privileges page.
6- Click the "Get campaign code" button.
7- Copy the code you received.
8- Send the code to 6610.