Signal App stops working in China

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Signal App appeared to no longer be working in China without the use of a virtual private network (VPN) from Tuesday morning reported by the users in China. Signal's website was also inaccessible in China on Tuesday morning. The app was still available on Apple's China app store as of Tuesday morning and the app and website appeared to be working normally in Hong Kong.

Signal's press team did not immediately respond to a request for comment.

China's cyber authorities have become increasingly strict in recent years, widening the scope of apps, media outlets and social media sites banned in the country. The Cyberspace Administration of China could not immediately be reached for comment. The app was already unavailable on third-party Android stores in China, where Google services are largely blocked. On several occasions the app had previously stopped working in China without VPN with no reason given, only for usage to resume.