Taiwan briefly slows its mobile internet to text-only speed as part of defense drill

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For 30 minutes, the internet in parts of Taiwan crawled. The slowdown Thursday for people in the capital, Taipei, and six other cities and localities was part of the last phase of the island's annual Han Kuang exercises, military drills that began last week and aim to model a response to a possible Chinese military invasion.

August 13, 2026

by JOHNSON LAI and HUIZHONG WU

edited by Alexander Pol

Deputy Editor

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Taiwan briefly slows its mobile internet to text-only speed as part of defense drill People take cover inside at a MRT station during the Urban Resilience (Air-Defense) Exercise, part of the annual Han Kuang military exercises in Taipei, Taiwan, Thursday, Aug. 13, 2026. Credit: AP Photo/Chiang Ying-ying

Telecommunication operators slowed mobile web traffic to 256 Kbps, making it difficult to exchange anything other than texts. Usually, residents can access 5G in major cities.

Taiwan's President Lai Ching-te apologized to the public for the inconvenience, "We ask for your understanding and support, as this is a necessary drill," he said.

Taiwan has stepped up the intensity of the Han Kuang drills, incorporating reservists and more civilians into the exercises with a focus on real-world scenarios. Previously, urban resilience drills in Taipei went largely unnoticed as they were not disruptive. For example, air raid drills in the metro station didn't stem the flow of passengers.

This year, integrating civilians and coordinating with local governments was a key part of the exercises, according to the Taipei Times.

At a Taipei metro station Thursday afternoon, passengers waited to be released after the station's gates were shut for the simulation as part of air raid drills.

Allen Hsieh, a tourist from Hong Kong who was among the passengers who waited 30 minutes to be let out of the station, said he found the exercises to be convincing.

"The exercise did not cause me any inconvenience. I know that Taiwan needs to conduct exercises, given the current situation. I can understand that," he said. "I did not expect it to be so real. I thought I would only receive text messages."

Lai also visited a hospital as it simulated how to relocate its critical operations to underground facilities as part of the drills.

Taiwan is ramping up its defense exercises and purchases in response to heightened tensions with China, which claims the island as its own. China sends military planes, as well as Coast Guard ships and other vessels towards Taiwan on a daily basis and carries out large-scale military exercises from time to time.

Between Wednesday to Thursday morning, 18 Chinese warplanes and 11 navy ships operated around Taiwan, the island's Defense Ministry said.

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