South Korea's three major carriers switched on commercial 5G service nationwide on April 3, 2019, ahead of planned launches elsewhere, making it the first country to roll out a nationwide 5G mobile network. The early rollout has been credited with cementing the country's reputation for telecom infrastructure leadership.
Record no. MRB-2026-005677
First Country to Launch a Nationwide 5G Network
Reference Record – Not Certified
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