How to Disable the Camera Shutter Sound on a Huawei
Disabling the camera shutter sound on certain Huawei devices takes a few steps. Go to the camera app, then hit the menu icon (three lines), and then the settings button (cog wheel). Next go to Mute and enable it. This is will disable the camera sound.
On the Honor 8, you can change the settings within the camera app using the method mentioned above, or just use the master volume keys.