Get $60 for a new Google Fi line after your first month on Google Fi. Referral needs to use the invitation code and activate a full-service plan. Data-only SIMs and new group plan members do not qualify. After signing up, referral must activate on a device compatible with Fi using the same email account within 30 days of checkout. After activation, referral needs to keep their Fi service active for 30 consecutive days and pay their first bill in full.