T-Mobile also raised its 2021 merger synergies outlook.
T-Mobile added 1.4 million net subscribers in the second quarter as it delivered 13% revenue growth from a year ago. The wireless carrier net additions handily surpassed the new subscriber tally from Verizon and AT&T. T-Mobile reported second quarter net income of $978 million, or 78 cents a share, on revenue of $20 billion, up 13% from a year ago. Wall Street was expecting T-Mobile to report second quarter revenue of $19.