Why won't Lenovo ZUK Z2 Plus notification light respond on missed calls?

after updating my zuk Z2 in Android 7.0 it's it's notification light sensor is not responding when I miss any call however it is working gratefully phone messages and other notifications before update notification light was working very well whenever I understand but after update it is not working on miss any call so please help me there are just 2 day ago update to update my mobile

Have you tried to check sensor settings, hope enable the sensor could fix your problem :)

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