T-Mobile reported accelerating postpaid account growth and rising ARPA in Q1 2026, signaling continued momentum in its core wireless and broadband businesses while lifting full-year guidance. The company posted 217,000 postpaid net account additions, up 6% year-over-year, alongside a 3.9% increase in postpaid ARPA to $151.93. Management attributed the gains to improved network perception, stronger customer retention, and deeper engagement across its subscriber base.
Financially, service revenues reached $18.8 billion, up 11% year-over-year, with postpaid service revenues climbing 15% to $15.6 billion. Core Adjusted EBITDA grew 12% to $9.2 billion, while adjusted free cash flow rose 5% to $4.6 billion. Net income declined 15% to $2.5 billion due to $476 million in merger-related costs tied to the UScellular transaction. T-Mobile returned $6.0 billion to shareholders during the quarter and increased its 2026 stockholder return authorization to $18.2 billion.
On the infrastructure side, T-Mobile highlighted continued gains in network performance and fixed wireless access (FWA). The company cited Ookla data showing its FWA offering delivering median download speeds more than 50% faster than the next competitor. It also pointed to early integration of 5G Advanced into emerging use cases, including connectivity for humanoid robotics from Figure AI. T-Mobile raised its 2026 outlook, now expecting up to 1.05 million postpaid net account additions and adjusted free cash flow of up to $18.7 billion.
- Postpaid net account additions: 217,000 (+6% YoY)
- Postpaid ARPA: $151.93 (+3.9% YoY)
- Service revenues: $18.8B (+11% YoY)
- Postpaid service revenues: $15.6B (+15% YoY)
- Core Adjusted EBITDA: $9.2B (+12% YoY)
- Adjusted Free Cash Flow: $4.6B (+5% YoY)
- Net income: $2.5B (-15% YoY, impacted by merger costs)
- CapEx: $2.6B (+7% YoY)
- 2026 postpaid net adds guidance: 950K–1.05M
- 2026 Adjusted Free Cash Flow guidance: $18.1B–$18.7B
“Q1 marked a strong start to the year as we continue to execute against our ambitious 2026 and 2027 targets, representing yet another proof point of our winning formula and unique differentiation,” said Srini Gopalan, CEO of T-Mobile US. “We reported accelerating postpaid net account growth and strong postpaid ARPA growth, reflecting this team’s differentiated ability to not only attract new customer relationships but also deepen the engagement with our existing base.”
🌐 Analysis: T-Mobile’s results reinforce a broader industry shift toward monetizing existing subscribers rather than pure subscriber growth, with ARPA expansion and bundled services driving revenue durability. The company’s continued emphasis on fixed wireless access and early positioning around 5G Advanced for AI-driven applications highlights how operators are extending beyond connectivity into platform roles for emerging workloads, an area where competitors such as Verizon and AT&T are also investing.
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