Cellular providers participating in the Lifeline program, which makes phone and broadband access more affordable for low-income consumers, receive a monthly subsidy of $9.25 per subscriber.
https://www.androidpolice.com/2020/11/04/t-mobile-has-to-pay-200000000-to-the-fcc-because-of-sprint-shadiness/
https://www.androidpolice.com/2020/11/04/t-mobile-has-to-pay-200000000-to-the-fcc-because-of-sprint-shadiness/