The CoreESIM for Singapore is designed to connect to the leading Tier-1 mobile network operators: Singtel and StarHub. These carriers are distinguished by their robust 5G NR (New Radio) deployments and extensive network footprints across the island. Our provisioning prioritizes these networks to ensure users experience optimal data speeds and low latency, from the financial district to the residential areas and even the offshore islands like Sentosa.
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What are the primary network operators for CoreESIM in Singapore?
Updated April 22, 2026
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