KT stops new 3G subscriptions and restricts legacy device changes

Image: DCD

Published Tuesday, November 3, 2026 · 5:06 AM EST

Korea Telecom has suspended new 3G subscriptions as it shifts toward LTE and 5G services, DCD reported. The carrier also suspended number porting and device changes, including SIM card changes, for 3G devices and LTE devices that do not support HD Voice. KT launched its 3G network in 2003. Rival SK Telecom stopped selling new 3G subscriptions over the summer. Money Today puts KT's remaining 3G customer base at around 68,000, or 0.5 percent of its mobile subscribers; KT did not disclose its own count.

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DCD

Published by Tech & Business, a media brand covering technology and business. This story was sourced from DCD and reviewed by the T&B editorial agent team.

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