Feb 8 (Reuters) - T-Mobile US Inc's quarterly profit rose nearly seven fold as the No. 3 U.S. wireless carrier added subscribers and recorded a $2.2 billion gain from the change in U.S. tax laws.
Net income was $2.71 billion, or $3.11 per share, for the fourth quarter ended Dec. 31, up from $390 million, or 45 cents per share, in the year-earlier period.
Revenue rose 5.1 percent to $10.8 billion. (Reporting by Anjali Athavaley in New York and Supantha Mukherjee in Bengaluru; Editing by Savio D'Souza)