People use their mobile inside the metro in Luohu, Shenzhen. People use their mobile inside the metro in Luohu, Shenzhen.
People use their mobile inside the metro in Luohu, Shenzhen.

Public Wi-fi signal may have caused Shenzhen subway train stoppage

A signal with the same frequency used by Shenzhen metro line may have affected service and also exposes it to possible cyberattacks

People use their mobile inside the metro in Luohu, Shenzhen. People use their mobile inside the metro in Luohu, Shenzhen.
People use their mobile inside the metro in Luohu, Shenzhen.
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