For years, the prepaid model — locally known as the recarga — served as the primary growth engine for Mexico's telecommunications giants. But the landscape is shifting. Recent data suggests that the segment has transformed from a reliable asset into a strategic headache for incumbents Telcel and AT&T, as they struggle to maintain their grip on a price-sensitive demographic increasingly drawn to cheaper, more flexible alternatives.

The numbers reveal a cooling market. Telcel, the América Móvil subsidiary, saw its modest growth of 0.9% in late 2023 slip into a 0.6% contraction by the end of 2025. AT&T Mexico followed a similar trajectory, with its growth rate halving from 2.8% to 1.4% in the same period. While prepaid users generate the lowest average revenue per user (ARPU), their sheer volume makes them indispensable: they represent 81.1% of Telcel's customer base and nearly 72% of AT&T's. A contraction in this segment is not a rounding error — it is a structural signal.

The MVNO effect and the erosion of incumbency

The erosion of the old guard's dominance is largely driven by the rise of Mobile Virtual Network Operators (MVNOs) — carriers that lease network capacity from infrastructure owners rather than building their own towers. In Mexico, the most prominent example is Bait, the Walmart-backed MVNO that has undercut traditional carriers with aggressive data offerings and lower barriers to entry. The model is straightforward: strip away the retail overhead, offer competitive data bundles, and distribute SIM cards through an existing physical footprint that rivals any telecom storefront in the country.

This pattern is not unique to Mexico. Across Latin America and in mature European markets, MVNOs have historically thrived in price-sensitive prepaid segments by exploiting the gap between what incumbents charge and what network capacity actually costs. The difference in Mexico is one of scale. With a prepaid penetration rate that dwarfs most comparable economies, the addressable market for low-cost challengers is enormous. Every percentage point of market share lost by Telcel or AT&T translates into millions of users.

The competitive pressure arrives at an inopportune moment. Lingering effects of inflation have squeezed household budgets, making consumers more receptive to switching carriers for marginal savings on data. New regulatory requirements for phone registration — part of broader government efforts to tie mobile lines to verified identities — have added friction to the user experience, creating natural churn points where customers reconsider their provider. For incumbents accustomed to the inertia of a captive prepaid base, these forces combine into a problem that cannot be solved with network investment alone.

Retention as the new battleground

The strategic response from Telcel and AT&T appears to center on loyalty mechanisms — bundling additional benefits into recharge packages to give users a reason to stay beyond raw price competition. The logic is sound in principle: if an MVNO can always undercut on cost per gigabyte, the incumbent must compete on dimensions the challenger cannot easily replicate, whether through content partnerships, financial services integration, or tiered rewards programs.

But the execution carries risks. Loyalty programs add complexity to a product category whose appeal has always been simplicity. The prepaid user in Mexico — disproportionately younger, lower-income, and urban — tends to optimize for immediate value rather than long-term rewards. Telcel's scale gives it negotiating leverage with content and service partners, yet that same scale makes it slow to iterate. AT&T Mexico, still working to establish a brand identity distinct from its U.S. parent, faces the additional challenge of competing on loyalty in a market where it remains the smaller player.

The deeper tension is whether the prepaid segment can remain a volume business for traditional carriers at all, or whether it is destined to become MVNO territory — much as budget airlines eventually claimed the price-sensitive end of air travel. If that transition accelerates, the incumbents' strategic calculus shifts toward migrating users to postpaid plans or hybrid models, conceding the bottom of the market to preserve margins. Whether Mexico's prepaid consumers — long accustomed to the freedom of no-contract connectivity — will accept that migration is a question neither Telcel nor AT&T can yet answer with confidence.

With reporting from Expansión MX.

Source · Expansión MX