Core Points - On November 13, users in multiple areas of Qinghai reported sudden signal interruptions from China Unicom, affecting their ability to make payments and use public transport [1][4] - Users expressed frustration on social media, with many initially believing the issue was with their devices rather than the network [4] - China Unicom issued an apology on the evening of November 13, confirming that the signal disruption was due to a network fault, which has since been resolved [4] User Reactions - Users reported significant inconvenience, with one individual stating they had to walk home in cold weather due to the lack of signal [4] - Many users attempted to troubleshoot their devices, including restarting their phones and toggling airplane mode, before realizing the issue was with the network [4] - A specific incident was highlighted where a user was unable to pay for food at a barbecue restaurant due to the signal loss, illustrating the practical impact of the outage [4] Company Response - China Unicom acknowledged the issue and expressed gratitude for users' patience and understanding during the outage [4] - The company confirmed that the network fault has been repaired, restoring service to affected users [4]

Core Points - On November 13, users in multiple regions of Qinghai reported sudden interruptions in China Unicom's signal, affecting payment and transportation services [1] - In the evening of November 13, China Unicom in Qinghai issued an apology announcement regarding the service disruption [1]