If camera icon is not in the home screen but still in the manu then it is almost certainly deleted/removed from the home screen' please note that this does not affect the functioning of the camera at all. Yes you can get the camera icon back to the home screen by following the instructions below
- Go to Manu
- Find the camera icon
- Touch and hold the camera icon for about 2 seconds
- Drag it and place it on the home screen.
If the camera icon is no where to be found then go to play store to download another camera app and let us know the results.