Back in March, T-Mobile promised that it would deploy the Universal Profile for inter-carrier RCS compatibility by the end of Q2 of this year. Although magenta subscribers have had RCS for in-network communications since 2015, and other US carriers have their own proprietary implementations, Sprint was the only one to support it at this "universal" level, courtesy of Google's Jibe. Now, with just two days to spare on its original estimate, T-Mobile is rolling out support for RCS Universal Profile 1.0.

Read More