Google Fi is offering 50% back in Google Fi Credit when you purchase the Google Pixel 4 or 4 XL Smartphone for a limited time. Activation on Google Fi within a minimum of 60-days activation is required to qualify for Fi service credits. Pricing for each device may vary and you can save more when you take advantage of their trade-in promotion. Offer ends Dec 2, 2019, at 11:59 pm pst or while supplies last.