S Fone

MVNOs sell their own SIMs and plans but run on S Fone's network rather than owning one.

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About S Fone

S-Telecom (S Fone), operating in Vietnam, is a mobile network identified by the Mobile Country Code (MCC) 452, representing Vietnam, and the Mobile Network Code (MNC) 03. This combination, 452 03, uniquely pinpoints S-Telecom within the Vietnamese mobile landscape – a significant detail for network engineers, device configuration, and international roaming agreements. While S-Telecom ceased its mobile operations in the early 2010s, its legacy remains as an early player in Vietnam's burgeoning mobile market and as an important reference point when researching mobile network operator histories. During its operation, S-Telecom, branded as S Fone, competed with larger, state-owned operators like Viettel and Mobifone, as well as other private companies. Though it held a smaller market share compared to its rivals, it played a role in expanding mobile access to a segment of the Vietnamese population. Its closure highlights the dynamic evolution of Vietnam’s telecom sector, where competition and evolving technologies have continuously reshaped the mobile network landscape. S-Telecom's frequency allocations were subsequently reassigned, reflecting the ongoing management and optimization of radio spectrum resources by the Vietnamese government, which is common practice globally as mobile technology advances.

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