After upgrading iOS 10 Feedback.

Hello,

In new iOS 10 what I have found out is:

1. In contact if I try to search any name it shows "No Results". But I can see samething while scrolling name.

2. When I get notification for message their was an option to reply without unlocking the iphone which is not there.

3. I have change the sound for Whats app notification but it's still give me default sound of iphone.

Help