T-Mobile will share its Q2 2026 earnings — a report on how much money the company made from April through June — on Thursday, July 23, 2026, at 7:30 AM ET. The company confirmed the date in a June 25, 2026 press release, posted to its investor relations news page on July 17, 2026 (T-Mobile IR News), and listed it on its events page (T-Mobile IR). The earnings release is also referenced on the investor relations overview page (T-Mobile IR Overview).

This report comes about one year after T-Mobile's Q2 2025 results, which showed 301,000 postpaid net account additions (Yahoo Finance). "Postpaid" means customers who pay a monthly bill after using the service, like most phone plans. "Net account additions" means how many new accounts were added minus the ones that left. This number matters because postpaid customers tend to spend more and stick around longer than prepaid customers, making them more valuable to the company.

During that same Q2 2025 report, held on July 23, 2025, T-Mobile said adoption of its Go5G Next plan had more than doubled compared to a year earlier and was up over 50% from the prior quarter (T-Mobile Q2 2025 Earnings Transcript). Go5G Next is T-Mobile's most expensive, feature-packed plan, sitting above Go5G Plus in its lineup (Yahoo Finance). Think of it like upgrading from a basic cable package to the premium tier with all the channels: the customer pays more each month, and the company earns more from each person.

At its February 2026 Capital Markets Day — an event where companies share financial plans with analysts — T-Mobile gave its expectations for 2026 postpaid net account additions and discussed premium plan adoption rates (T-Mobile Capital Markets Day). That session gave analysts a yardstick for measuring Q2 2026 results: whether premium plan adoption is speeding up, leveling off, or slowing down compared to last summer, and whether new account growth matches what T-Mobile predicted five months ago.

Three numbers will be the center of attention on July 23. First, postpaid net account additions compared to the 301,000 from Q2 2025. Second, how many customers are on the Go5G Next and Go5G Plus plans, which shows whether T-Mobile is still earning more per user. Third, whether T-Mobile changes its 2026 expectations from what it said at Capital Markets Day, especially if the first half of the year went better or worse than planned.

The earnings call follows T-Mobile's usual format: the company releases the numbers first, then executives talk through the results and take questions from analysts. The 7:30 AM ET start time is before regular stock market hours, which means investors can react to the news as trading begins.

The bigger question is whether T-Mobile's premium plan growth has held up through a competitive first half of 2026. The doubling of Go5G Next adoption reported in July 2025 set a high bar. If that growth rate slows — even if the total number of customers on the plan keeps rising — the boost to T-Mobile's revenue from each user would shrink. If growth keeps accelerating, it would support the idea that T-Mobile's premium plan strategy is creating lasting, not temporary, revenue gains.

The Capital Markets Day guidance adds another layer. What T-Mobile predicted in February for the full year gives a target to measure against. Q2 results will show whether the first half is on track, ahead, or behind that target. If management revises its forecast at mid-year, that matters more than a single quarter's numbers, because it reflects their updated view of the rest of the year.

The competitive picture also matters. Postpaid account growth is basically a zero-sum game among the big carriers: when T-Mobile gains accounts, those usually come from AT&T or Verizon, or from customers switching from prepaid to postpaid plans. The 301,000 figure from Q2 2025 showed where T-Mobile stood at that time. Where Q2 2026 lands will be judged not just on its own but against what AT&T and Verizon report in their own earnings around the same time.