Mike Sievert looks as if an introvert in comparison with John Legere, the person he changed as T-Cellular CEO. It isn’t that Sievert does not discuss. He seems usually at conferences on behalf of the corporate.
As an alternative, it is that Sievert does not discuss like he is a professional wrestling supervisor. He factors out the place he sees T-Cellular TMUS as being higher than AT&T and Verizon, however he does so in approach that is candid for a CEO, however not almost as bombastic as his predecessor.
In some ways, Sievert is the appropriate CEO for T-Cellular’s present place as a market chief. Legere was working the fourth-biggest wi-fi community on the fourth-best community when he began.
Sievert’s persona is maybe extra suited for a corporation that now competes as an equal in opposition to AT&T (T) and Verizon. T-Cellular has even been rising sooner.
Complete wi-fi subscribers (Q2 2025)
- Verizon Wi-fi: 146.1 million
- T-Cellular US: 132.8 million
- AT&T Mobility: 118.2 million
Q2 2025 Web Provides/Losses
- T-Cellular US: 830,000 postpaid cellphone provides; +1.73M whole postpaid web provides
- AT&T: 401,000 postpaid cellphone provides
- Verizon: 9,000 postpaid cellphone subscribers (loss)
T-Cellular CEO brags about his firm’s development
Sievert addressed that development throughout T-Cellular’s second-quarter earnings name.
We led the trade in each buyer development and in monetary development throughout a number of metrics. And extra importantly, we smashed our personal information. This was the best Q2 for development ever in T-Cellular’s storied historical past with one of the best Q2 postpaid cellphone nets ever, one of the best Q2 for whole postpaid web additions ever and our greatest ever Q2 on gross additions, too, with each gross and whole postpaid and each for gross and web, whole postpaid provides up double digits year-over-year in opposition to a really sturdy 2024 comp.
Throughout the name, Sievert additionally shared what he thinks is a large alternative for development.
“Over the last couple of years, we’ve seen a significant increase in the number of customers citing our network as the reason for switching to T-Mobile. And that’s a great start, but the reality is most of our prospects don’t yet know we have the best network,” he shared.
Sievert believes there’s lots of market share T-Cellular can win if it might probably get individuals to imagine it has one of the best community.
“In fact, only about 20% of switchers in the broader market believe we do. This represents an enormous runway for us,” he stated. “Network perception has now become a major focus for us for a simple reason. There is massive opportunity from all of those tens of millions of customers who went elsewhere in the 4G era, deliberately choosing what was then the best network.”
T-Cellular has gone from worst to first in terms of its community.
Picture supply: Getty Photos
T‑Cellular’s community efficiency highlights
- General community chief: In June 2025, Ookla named T‑Cellular the “Best Mobile Network in America,” marking a big achievement within the firm’s community efficiency
- Speedtest Connectivity Report: For the primary half of 2025, T‑Cellular led with a Speedtest Connectivity Rating of 79.95, surpassing Verizon (75.49) and AT&T (72.47). T‑Cellular additionally had the best median 5G obtain velocity at 299.36 Mbps.
- Opensignal’s Cellular Community Expertise Report: In June 2025, T‑Cellular achieved high scores for each general Obtain Velocity Expertise (177.5 Mbps) and 5G Obtain Velocity Expertise (252.4 Mbps).
- Awards and recognition: T‑Cellular has constantly been acknowledged for its community efficiency, together with accolades from Opensignal and Ookla for 5G availability, obtain speeds, and general community expertise.
Supply: T-Cellular, PhoneArena
“T-Mobile execs like to talk about how the ‘un-carrier’ has risen from ‘challenger’ to ‘champion’ in the 5G era. That mantra may be annoying, but it’s not wrong,” Fierce Community’s Monica Alleven wrote.
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Futurum Group additionally preferred T-Cellular’s efficiency.
“Despite fierce competition and heavy promotions, the company continued to grow revenue, profit, and subscribers, thanks to its strong spectrum position, brand power, and integrated wireless-broadband strategy. New offerings like satellite connectivity, the T-Fiber rollout, and the KKR-backed Metronet deal aim to grow its broadband reach, tap into new markets, and drive customer acquisition,” the corporate shared.
T-Cellular plans to yell it from the rooftop
Sievert believes T-Cellular will develop based mostly on telling (and exhibiting) prospects and companies how nicely its community works.
“Well, there’s a new best network in America. And you’ll be seeing us bring that message to consumers and businesses in really innovative ways until every person in America has heard why there has never been a better time to join T-Mobile,” he stated.
“T-Mobile now wins the Reliability Experience award outright, an award it shared with Verizon in our last report. T-Mobile also wins once again for Consistent Quality, this time with a score of 80.6%. Consistent Quality is our measure of network capability to support common mobile application requirements at a level that is ‘good enough’ for users to complete various typical demanding tasks,” OpenSignal shared.
Verizon had one of the best video efficiency and AT&T had a minor benefit in accessible connection time, however T-Cellular was the clear general chief.
“T-Mobile leads for both overall Download Speed Experience and 5G Download Speed Experience with blistering scores of 177.5Mbps and 252.4Mbps, respectively. T-Mobile leads its competitors by more than 80Mbps for 5G Download Speed, and nearly 120Mbps for overall Download Speed Experience,” the report shared.
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