Siri is Apple’s virtual assistant that does plenty of work for its users. For instance, it not only helps in searching for directions but also can play songs, tell jokes, and a lot more. Most of the time, users get highly dependent on Siri. When Siri stops working, they face a lot of problems. Do not worry. You can fix the problem by following the instructions given in the blog.
Source:- Fix Siri Not Working Issue on iOS