Pakistan to face internet slowdown due to PTCL submarine cable maintenance

Digital illustration of a severed cross-section of a high-capacity fiber-optic submarine cable on the ocean floor.

Pakistan faces internet slowdowns May 11–18, 2026, due to scheduled PTCL submarine cable maintenance to repair a fault.

| Published May, 10 2026 | Updated

Web Desk: Internet users across the country may experience temporary issues as PTCL has announced scheduled maintenance of its international submarine cable system.

PTCL has confirmed that a planned technical operation could cause slow browsing and connectivity issues across Pakistan. The company warned that users may face noticeable service disruptions during this period.

The situation has raised concerns as PTCL internet slowdown is expected between 11 May and 18 May due to essential repair work on undersea infrastructure. This maintenance is part of a global system upgrade managed by an international consortium.

According to officials, Pakistan internet issue may become more visible during peak hours when online traffic is at its highest. Users could face buffering while streaming, delayed downloads, and unstable connections during heavy usage times.

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The company explained that the work involves submarine cable maintenance Pakistan, which is necessary to fix technical faults in the underwater fibre optic system. These cables carry most of Pakistan’s international internet traffic and are vital for digital connectivity.

Authorities further stated that PTCL internet slowdown is temporary and unavoidable due to the complexity of global cable repairs. Even minor faults in these systems can lead to widespread internet disruption across the country.

During the maintenance window, Pakistan internet issue may affect millions of users at the same time. However, PTCL assured that services will return to normal once the operation is completed.

Officials also highlighted that submarine cable maintenance Pakistan is part of routine international infrastructure management aimed at improving long-term internet performance and reliability.

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Despite short-term inconvenience, PTCL internet slowdown is expected to help strengthen the system for future demand. Users are advised to expect fluctuations but remain assured that connectivity will improve after repairs.