Refer 2 Earn is a referral program that lets you earn as much credit as you want. Simply invite a friend to join Yoodo with your invitation link and once they have activated their SIM, you’ll receive RM20 credit in your Yoodo app! Your friend will also get RM20. Important note: Your friend must be activating their first Yoodo line. Subsequent lines are not eligible for this promo.