SFR Reunion sets 2026 deadline to retire 2G network, accelerating shift to 4G and 5G

SFR Réunion has set November 30, 2026 as the hard deadline for permanently shutting down its 2G network, a date that will reshape how the operator deploys its most valuable technical assets across the island. The logic behind the decision is straightforward. Radio frequencies are finite and costly. By releasing the spectrum bands currently occupied by aging 2G infrastructure, SFR Réunion plans to redirect those frequencies toward its 4G and 5G networks. The commercial calculation is equally direct: newer technologies generate substantially higher returns. While 2G was engineered to handle voice calls and text messages, 4G and 5G systems process data volumes orders of magnitude larger, allowing operators to capture greater value from a rapidly growing digital services market. Service quality and infrastructure capacity, the two metrics that most directly shape an operator's commercial viability, both improve when spectrum shifts away from legacy technology. The November 2026 deadline creates immediate practical consequences for multiple constituencies. SFR Réunion has already begun offering preferential pricing on device upgrades for subscribers still using equipment compatible only with 2G. Sales teams are mobilizing to facilitate the transition, an effort that also generates concrete commercial opportunity: forced obsolescence of old equipment creates demand for new purchases and opens pathways toward higher-tier service plans. The stakes extend well beyond consumer handsets. SFR Réunion has highlighted a category of equipment with substantial contractual value that currently depends on 2G connectivity: payment terminals, alarm systems, teleassistance devices, and certain Internet-connected objects. Bringing these systems into compliance before the deadline will require concrete investment decisions from their operators and suppliers, whether through software updates, hardware replacement, or renegotiation of maintenance contracts. The operator has recommended that affected businesses contact their service providers now to assess equipment compatibility and anticipate replacement costs. By contrast, the consumer side of this transition has historical precedent to draw from. The technology was deployed massively throughout the 1990s and 2000s, establishing the foundation for mobile phone service across Reunion Island and making voice calls and text messages accessible across the territory. The rise of mobile Internet fundamentally shifted where value accumulates in the telecom market. Today, 4G and 5G networks deliver superior performance across three critical dimensions: data transmission speed, geographic coverage, and energy efficiency. Each parameter directly determines an operator's capacity to attract and retain high-data customers. The technical transition is not optional for businesses that depend on mobile connectivity. After November 30, 2026, any equipment functioning exclusively on 2G will lose the ability to connect to the mobile network entirely, meaning no calls, no text messages, and no access to connected services. For companies operating sensitive systems such as payment terminals or teleassistance devices, operational continuity will depend directly on how quickly their providers complete the upgrade process. The timeline is fixed. The broader question now facing Reunion's business community is which actors will successfully anticipate this deadline and which will face operational disruption. Those who plan ahead can manage the transition strategically, potentially gaining competitive advantage through early adoption of newer technologies and improved service capabilities. Those who delay risk service interruptions that damage customer relationships and operational continuity. The November 2026 deadline functions simultaneously as a regulatory constraint and a market sorting mechanism, separating operators and service providers who plan systematically from those who do not. Whether the island's most dependent 2G users, particularly those running critical infrastructure such as teleassistance networks, will complete their upgrades in time remains the open question that will define how disruptive this transition ultimately proves to be.