South Africa’s SIM Card Crisis: The Mounting Waste and the eSIM Solution
South Africa’s mobile industry is printing an astonishing number of plastic SIM cards each month—nearly 10 million, or about 120 million annually. That equates to producing almost two SIM cards for every man, woman, and child in the country every single year. This practice, long criticized as environmentally reckless and financially inefficient, represents a profound misallocation of resources. The scale of the issue was brought into sharp focus recently by Jorge Mendes, CEO of Cell C, who described the relentless production as a “textbook definition of insanity” during a media briefing on his company’s turnaround strategy.
The “Washing Machine” of Plastic Waste
The industry euphemistically calls this cycle the SIM card “washing machine.” Operators flood the market with millions of disposable plastic cards every six months—a volume that roughly matches the nation’s entire population of approximately 65 million people. The goal? To attract a fraction of those users, typically around 500,000 new paying customers per month. This scattergun approach persists because operators fear that any reduction in their physical card distribution will lead to an immediate and catastrophic loss of market share to competitors still playing the same game.
The consequences are severe. Beyond the clear environmental toll of producing and discarding hundreds of millions of plastic items, the direct costs of manufacturing, packaging, and logistics are significant. These expenses are ultimately factored into the industry’s pricing structures, meaning consumers indirectly subsidize this wasteful cycle. While some operators, like MTN and Telkom, have begun piloting biodegradable SIM cards as a mitigation tactic, this treats a symptom rather than the disease. The fundamental model of mass physical distribution remains unchanged.
eSIM Technology: The Obvious, Yet Stalled, Alternative
The technology to end this waste has been available for years. Embedded SIMs (eSIMs) are digital SIMs built directly into compatible devices, eliminating the need for any physical card. Millions of smartphones, from premium to mid-range models, already support eSIMs. For international travelers, eSIMs are a game-changer, allowing seamless switching to local data plans without hunting for a physical SIM or paying exorbitant roaming fees.
So why hasn’t the industry embraced eSIMs en masse? The answer lies in a profound conflict between long-term sustainability and short-term business metrics. eSIMs make switching mobile networks trivial—a few taps in a phone’s settings. This ease of portability is a double-edged sword: it empowers consumers but threatens the high customer retention rates that established operators rely on to satisfy shareholders and boards. As Mendes noted, the industry’s key performance indicators (KPIs), particularly those focused on minimizing churn, “override the logical decision” to aggressively push eSIM adoption.
The Inertia of Incumbency and the Threat of Churn
The reluctance is particularly acute among larger, incumbent operators. A seamless eSIM experience could accelerate the shift toward Mobile Virtual Network Operators (MVNOs)—branded services like Capitec Bank’s or Shoprite’s mobile offerings that run on host networks. For a consumer, switching to an MVNO via eSIM is just as easy as switching to Vodacom or MTN. This potential for increased churn poses a direct threat to the market dominance of the big players.
Furthermore, a wholesale move to eSIMs would necessitate a complete overhaul of operators’ retail-centric business models. The vast network of physical stores, which also sell airtime and handsets, would face disruption. A digital-first, self-service model for SIM provisioning would likely lead to store closures and a fundamental restructuring of sales and distribution teams—a painful but inevitable transition that many are hesitant to lead.


