The Korean mobile telecom market is undergoing a significant shift. With the rise of e‑SIM (embedded SIM) technology, the traditional revenue structure based on physical SIM cards is being shaken. An e‑SIM eliminates the need for a physical card and allows a device to manage its profile remotely via an embedded chip, making this solution increasingly popular. This technological change poses a challenge for telecom operators seeking high‑margin business models.
The growth of the e‑SIM market has multiple drivers. In the electronics arena, mobile devices have become ubiquitous, and the convenience features that e‑SIMs provide—such as automatic provisioning and management—make them attractive. Particularly for overseas travelers, an e‑SIM lets users set up local telecom services on the spot, giving domestic and foreign users both convenience and enhanced security. As a result, international carriers and Korean mobile operators are accelerating investment and R&D into e‑SIM based services.
This market shift directly impacts the existing revenue model of telecom companies. In the past, selling physical SIM cards was one of the primary income sources; with the adoption of e‑SIMs, that portion of the revenue may decline. To respond, telecom operators are looking for pricing policies and service innovations. For instance, some firms have re‑priced data plans and provide packages and promotions targeted at e‑SIM users. They also strengthen customer support systems by offering guidance on how to set up an e‑SIM, thereby improving user adoption. These strategic responses are expected to become core levers for long‑term revenue stability and market share protection.
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